Fix repository URL format for npm package discovery

Author: donkasun

package.json

@@ -48,7 +48,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/donkasun/react-native-outlined-text.git"
+    "url": "git+https://github.com/donkasun/react-native-outlined-text.git"
   },
   "bugs": {
     "url": "https://github.com/donkasun/react-native-outlined-text/issues"