Add README to RN Template App ⚡

- This README should be added to the new RN project when:
  `npx react-native@latest init <appName>`
  is executed, and a new RN project is generated using the template.

packages/react-native/template/README.md

@@ -0,0 +1,78 @@
+This is a [**React Native**](https://reactnative.dev) project bootstrapped with [`npx react-native@latest init`](https://github.com/react-native-community/cli/tree/main#creating-a-new-react-native-project).
+
+# Getting Started
+
+>**Note:** Make sure you have completed the [React Native - Environment Setup](https://reactnative.dev/docs/environment-setup) instructions till [Creating a new application](https://reactnative.dev/docs/environment-setup#:~:text=Creating%20a%20new%20application) step, before proceeding.
+
+## Step 1: Start the Metro Server
+
+First, you will need to start Metro, the JavaScript _bundler_ that ships _with_ React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)
+
+To start Metro, run `yarn start` _inside your React Native project folder_:
+
+```bash
+yarn start
+```
+
+Doing so, will starts the **Metro Bundler**.
+
+>**Note:** You can use `npx` instead of `yarn` when running React Native commands inside an existing project. Just replace `yarn` with `npx` and follow the commands (syntax) provided in `package.json` **`scripts`**.
+
+## Step 2: Start your Application
+
+Let Metro Bundler run in its _own_ terminal. Open a _new_ terminal _inside your React Native project folder_. Run the following:
+
+```bash
+# For Android
+yarn android
+
+# For iOS
+yarn ios
+```
+
+If everything is set up _correctly_, you should see your new app running in your _Android Emulator_ or _iOS Simulator_ shortly provided you have set up your emulator correctly.
+
+`yarn android` and `yarn ios` is one way to run your app - you can also run it directly from within Android Studio and Xcode respectively.
+
+
+## Step 3: Modifying your App
+
+Now that you have successfully run the app, let's modify it.
+
+1. Open `App.tsx` in your text editor of choice and edit some lines.
+2. For _Android_: Press the <kbd>R</kbd> key twice or select **"Reload"** from the **Developer Menu** (<kbd>Ctrl + M</kbd> or <kbd>⌘ + M</kbd>) to see your changes!
+
+   For _iOS_: Hit <kbd>⌘ + R</kbd> in your iOS Simulator to reload the app and see your changes!
+
+That's it!
+Congratulations! :tada: You've successfully run and modified your first React Native app. :partying_face:
+
+### Now what?
+
+- If you want to add this new React Native code to an existing application, check out the [Integration guide](https://reactnative.dev/docs/integration-with-existing-apps).
+- If you're curious to learn more about React Native, check out the [Introduction to React Native](https://reactnative.dev/docs/getting-started).
+
+# Troubleshooting
+
+If you can't get this to work, see the [Troubleshooting](https://reactnative.dev/docs/troubleshooting) page.
+
+# Learn More
+
+To learn more about React Native, take a look at the following resources:
+
+- [Getting Started](https://reactnative.dev/docs/getting-started) - an **overview** of React Native and how setup your environment.
+- [Learn the Basics](https://reactnative.dev/docs/getting-started) - a **guided tour** of the React Native **basics**.
+- [Core Components](https://reactnative.dev/docs/components-and-apis) - a guided tour of the React Native **Core Components**.
+- [API Reference](https://reactnative.dev/docs/accessibilityinfo) - a complete description of the React Native **APIs**.
+- [Hooks Reference](https://reactnative.dev/docs/usecolorscheme) - a complete guide to React Native **Hooks**.
+- [Android APIs](https://reactnative.dev/docs/backhandler) - a description of the React Native **Android APIs**.
+- [iOS APIs](https://reactnative.dev/docs/actionsheetios) - a description of the React Native **iOS APIs**.
+- [Blog](https://reactnative.dev/blog) - read the latest official React Native **Blog** posts.
+- [Architecture](https://reactnative.dev/architecture/overview) - explains how React Native works under the hood.
+- [Contributing](https://reactnative.dev/contributing/overview) - learn how to **contribute** to React Native.
+- [Community](https://reactnative.dev/community/overview) - more **resources** for help and support.
+
+You can check out [the React Native GitHub repository](https://github.com/facebook/react-native) - your feedback and contributions are welcome!
+And, if you :heart: React Native don't forget to :star:
+
+![GitHub Repo stars](https://img.shields.io/github/stars/facebook/react-native?style=social)