chore: setup monorepo with yarn workspaces

Author: lukewalczak

package.json

@@ -2,6 +2,7 @@
   "name": "react-native-paper",
   "version": "5.14.0",
   "description": "Material design for React Native",
+  "private": true,
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
   "react-native": "src/index.tsx",