chore: migrate to pkgmgr and ignore non-npm lockfiles

Author: kentcdodds

.gitignore

@@ -1,5 +1,11 @@
 node_modules
 
+# non-npm JavaScript lockfiles
+yarn.lock
+pnpm-lock.yaml
+bun.lock
+bun.lockb
+
 workspace/
 **/.cache/
 **/build/

package-lock.json

@@ -30,9 +30,9 @@
   },
   "type": "module",
   "scripts": {
-    "postinstall": "cd ./epicshop && npm install",
-    "start": "npx --prefix ./epicshop epicshop start",
-    "dev": "npx --prefix ./epicshop epicshop start",
+    "postinstall": "cd ./epicshop && pkgmgr install",
+    "start": "pkgmgrx --prefix ./epicshop epicshop start",
+    "dev": "pkgmgrx --prefix ./epicshop epicshop start",
     "setup": "node ./epicshop/setup.js",
     "setup:custom": "node ./epicshop/setup-custom.js",
     "format": "prettier --write .",
@@ -68,7 +68,8 @@
     "@typescript-eslint/parser": "^7.10.0",
     "eslint": "^8.57.0",
     "tsx": "^4.11.0",
-    "typescript": "^5.4.5"
+    "typescript": "^5.4.5",
+    "pkgmgr": "^1.1.1"
   },
   "dependencies": {
     "prettier": "^3.6.2"