feat: bump up fabric example react-native iOS (#3951)

* feat: 🔥 version bump react native for ios FabricExample
* feat: ✨ copied newly created basic example TS files

examples/FabricExample/metro.config.js

@@ -2,6 +2,7 @@ const path = require('path');
 const escape = require('escape-string-regexp');
 const exclusionList = require('metro-config/src/defaults/exclusionList');
 const pak = require('../../package.json');
+const {getDefaultConfig, mergeConfig} = require('@react-native/metro-config');
 
 const root = path.resolve(__dirname, '../../');
 
@@ -9,7 +10,7 @@ const modules = Object.keys({
   ...pak.peerDependencies,
 });
 
-module.exports = {
+const config = {
   projectRoot: __dirname,
   watchFolders: [root],
 
@@ -37,4 +38,6 @@ module.exports = {
       },
     }),
   },
-};
+}
+
+module.exports = mergeConfig(getDefaultConfig(__dirname), config);