fix: exclude some unnecessary files from the package

Author: satya164

packages/create-react-native-library/templates/common/$package.json

@@ -13,13 +13,18 @@
     "android",
     "ios",
     "cpp",
-    "<%- project.identifier -%>.podspec",
+    "*.podspec",
     "!lib/typescript/example",
-    "!android/build",
     "!ios/build",
+    "!android/build",
+    "!android/gradle",
+    "!android/gradlew",
+    "!android/gradlew.bat",
+    "!android/local.properties",
     "!**/__tests__",
     "!**/__fixtures__",
-    "!**/__mocks__"
+    "!**/__mocks__",
+    "!**/.*"
   ],
   "scripts": {
     "test": "jest",