diff --git a/package-lock.json b/package-lock.json
index b206261..812666b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -157,11 +157,18 @@
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+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
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@@ -551,6 +600,7 @@
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       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
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@@ -1178,6 +1228,60 @@
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+      "resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
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+      "dev": true,
+      "requires": {
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+        "camelcase": "^4.0.0",
+        "chalk": "^2.0.1",
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+          "dev": true
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+        "camelcase": {
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+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
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@@ -1446,7 +1550,8 @@
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-      "dev": true
+      "dev": true,
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@@ -1608,6 +1713,12 @@
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       "dev": true
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@@ -1666,6 +1777,12 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.6.0.tgz",
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@@ -1819,6 +1936,12 @@
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+      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-1.0.0.tgz",
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+      "dev": true
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@@ -2080,6 +2203,20 @@
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+      "resolved": "https://registry.npmjs.org/configstore/-/configstore-3.1.5.tgz",
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+      "dev": true,
+      "requires": {
+        "dot-prop": "^4.2.1",
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^1.0.0",
+        "unique-string": "^1.0.0",
+        "write-file-atomic": "^2.0.0",
+        "xdg-basedir": "^3.0.0"
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       "resolved": "https://registry.npmjs.org/connect/-/connect-3.6.5.tgz",
@@ -2128,7 +2265,8 @@
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       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
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     "constants-browserify": {
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@@ -2286,6 +2424,15 @@
         "elliptic": "6.4.0"
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+      "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
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+      "dev": true,
+      "requires": {
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@@ -2351,6 +2498,12 @@
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+      "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-1.0.0.tgz",
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
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@@ -2995,6 +3155,15 @@
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+      "dev": true,
+      "requires": {
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@@ -3026,6 +3195,15 @@
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@@ -3042,6 +3220,12 @@
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@@ -3284,6 +3468,12 @@
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@@ -3970,7 +4161,8 @@
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@@ -3985,6 +4177,7 @@
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@@ -3993,6 +4186,7 @@
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@@ -4001,6 +4195,7 @@
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@@ -4009,7 +4204,8 @@
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@@ -4026,12 +4222,14 @@
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@@ -4039,22 +4237,26 @@
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@@ -4094,7 +4296,8 @@
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@@ -4126,7 +4329,8 @@
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@@ -4209,6 +4415,7 @@
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@@ -4221,7 +4428,8 @@
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@@ -4249,6 +4457,7 @@
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@@ -4259,7 +4468,8 @@
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@@ -4276,6 +4486,7 @@
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@@ -4284,7 +4495,8 @@
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@@ -4296,6 +4508,7 @@
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@@ -14742,6 +15134,26 @@
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@@ -14975,6 +15387,25 @@
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@@ -15389,6 +15829,12 @@
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@@ -16356,6 +16806,51 @@
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+        "meow": "^3.7.0",
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+        "pretty-bytes": "^4.0.2",
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+        "update-notifier": "^2.3.0"
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+      "resolved": "https://registry.npmjs.org/sw-toolbox/-/sw-toolbox-3.6.0.tgz",
+      "integrity": "sha1-Jt8dHHA0hljk3qKIQxkUm3sxg7U=",
+      "dev": true,
+      "requires": {
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+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
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+          "dev": true,
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@@ -16396,6 +16891,15 @@
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+      "integrity": "sha1-RYuDiH8oj8Vtb/+/rSYuJmOO+mk=",
+      "dev": true,
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@@ -16431,6 +16935,12 @@
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+      "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
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@@ -16815,6 +17325,7 @@
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       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
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@@ -16938,7 +17449,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -17005,6 +17517,15 @@
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-1.0.0.tgz",
+      "integrity": "sha1-nhBXzKhRq7kzmPizOuGHuZyuwRo=",
+      "dev": true,
+      "requires": {
+        "crypto-random-string": "^1.0.0"
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     "universalify": {
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       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.1.tgz",
@@ -17063,12 +17584,42 @@
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+      "resolved": "https://registry.npmjs.org/unzip-response/-/unzip-response-2.0.1.tgz",
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+      "dev": true
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+      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.5.0.tgz",
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+        "chalk": "^2.0.1",
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+        "is-npm": "^1.0.0",
+        "latest-version": "^3.0.0",
+        "semver-diff": "^2.0.0",
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       "resolved": "https://registry.npmjs.org/upper-case/-/upper-case-1.1.3.tgz",
       "integrity": "sha1-9rRQHC7EzdJrp4vnIilh3ndiFZg=",
       "dev": true
     },
+    "urijs": {
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+      "resolved": "https://registry.npmjs.org/urijs/-/urijs-1.19.11.tgz",
+      "integrity": "sha512-HXgFDgDommxn5/bIv0cnQZsPhHDA90NPHD6+c/v21U5+Sx5hoP8+dP9IZXBU1gIfvdRfhG8cel9QNPeionfcCQ==",
+      "dev": true
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       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -17122,6 +17673,15 @@
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+      "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
+      "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
+      "dev": true,
+      "requires": {
+        "prepend-http": "^1.0.1"
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     "use": {
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       "resolved": "https://registry.npmjs.org/use/-/use-2.0.2.tgz",
@@ -18187,10 +18747,53 @@
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       "dev": true,
+      "optional": true,
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       }
     },
+    "widest-line": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.1.tgz",
+      "integrity": "sha512-Ba5m9/Fa4Xt9eb2ELXt77JxVDV8w7qQrH0zS/TWSJdLyAwQjWoOzpzj5lwVftDz6n/EOu3tNACS84v509qwnJA==",
+      "dev": true,
+      "requires": {
+        "string-width": "^2.1.1"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.1.tgz",
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+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha512-VHskAKYM8RfSFXwee5t5cbN5PZeq1Wrh6qd5bkyiXIf6UQcN6w/A0eXM9r6t8d+GYOh+o6ZhiEnb88LN/Y8m2w==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
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+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
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     "window-size": {
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       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
@@ -18229,6 +18832,17 @@
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       "dev": true
     },
+    "write-file-atomic": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
+      "integrity": "sha512-GaETH5wwsX+GcnzhPgKcKjJ6M2Cq3/iZp1WyY/X1CSqrW+jVNM9Y7D8EC2sM4ZG/V8wZlSniJnCKWPmBYAucRQ==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
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     "ws": {
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       "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
@@ -18240,6 +18854,12 @@
         "ultron": "1.1.1"
       }
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+    "xdg-basedir": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
+      "dev": true
+    },
     "xml-char-classes": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/xml-char-classes/-/xml-char-classes-1.0.0.tgz",
diff --git a/package.json b/package.json
index 2d0e472..2781d24 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
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     "@angular/common": "^5.2.0",
     "@angular/compiler": "^5.2.0",
-    "@angular/core": "^5.2.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^5.2.0",
     "@angular/http": "^5.2.0",
     "@angular/platform-browser": "^5.2.0",