Update README.md

Author: Blackman99

README.md

@@ -1,6 +1,18 @@
-According to the [benchmark here](https://github.com/krausest/js-framework-benchmark)
+## Install
 
-![image](https://github.com/Casual-UI/react/assets/41723543/c2d9ce4a-8934-4b8a-842e-fb9dce989432)
+```sh
+npm i @casual-ui/react
+```
 
-# React now becomes the worst performance framework among all. And not to mention that the syntax/API is very anti-human.
-# It is not worthy to maintain anything based on React anymore.
+## Usage
+
+* import style in your client entry
+```js
+import '@casual-ui/react/dist/style.css'
+```
+* use in jsx/tsx
+```jsx
+import { CButton } from '@casual-ui/react'
+
+const App = () => <CButton label="A Button" />
+```