feat: add package import and instance initialization for CodePush in react-native.config.js

Author: hebertcisco

react-native.config.js

@@ -3,6 +3,8 @@ module.exports = {
         platforms: {
             android: {
                 sourceDir: './android/app',
+                packageImportPath: 'import com.microsoft.codepush.react.CodePush;',
+                packageInstance: 'new CodePush(getResources().getString(R.string.CodePushDeploymentKey), getApplicationContext(), BuildConfig.DEBUG)',
             }
         }
     }