fix: error when setting up Expo plugin (#98)

* fix: include app.plugin.js in package.json files list

* chore: remove unnecessary package-lock.json from package.json files list

Author: floydkim

package.json

@@ -36,8 +36,8 @@
     "typings",
     "*.podspec",
     "react-native.config.js",
+    "app.plugin.js",
     "package.json",
-    "package-lock.json",
     "!ios/build",
     "!android/build",
     "!android/app/build",