doc: update of CLI (#7)

Author: hidaytrahman

README.md

@@ -2,7 +2,22 @@
 
 Create a new React + TypeScript + Webpack project using the [template-rtw](https://github.com/hidaytrahman/template-rtw) boilerplate.
 
-## Usage
+React Typescript Webpack (RTW) is a starter template for building React applications with TypeScript and Webpack.
+
+template-rtw AKA `create-reactw-app` is a minimal boilerplate to kickstart React projects using TypeScript + Webpack + Babel + ESLint + Prettier.
+
+> Supports HMR and is easy to extend.
+
+[![Template](https://img.shields.io/badge/Template-React%20%2B%20TypeScript%20%2B%20Webpack-blue)](https://github.com/hidaytrahman/template-react-ts-webpack)
+
+## 🚀 Quick Start
+
+You can scaffold a fresh project using this template via the CLI:
 
 ```bash
 npx create-reactw-app my-app
+cd my-app
+yarn start
+```
+
+![command line](demo-create-reactw-app-installation.svg)