chore: update readme

README.md

@@ -1,9 +1,11 @@
 # Cod3Rocket eslint config
 
-Eslint config use by Cod3Rocket
+Eslint config use by Cod3Rocket. It is based on the eslint config [eslint-config-airbnb](https://www.npmjs.com/package/eslint-config-airbnb) with little changes.
 
 ## Usage
 
+### Install peer dependencies
+
 ```bash
 pnpm add -D @typescript-eslint/eslint-plugin @typescript-eslint/parser eslint eslint-config-airbnb eslint-config-prettier eslint-plugin-import eslint-plugin-import-helpers eslint-plugin-prettier prettier typescript
 ```
@@ -14,6 +16,22 @@ with use with react.
 pnpm add -D eslint-plugin-jsx-a11y eslint-plugin-react eslint-plugin-react-hooks
 ```
 
+and install `eslint-config-cod3rocket`
+
+```bash
+pnpm add -D eslint-config-cod3rocket
+```
+
+## Configuration
+
+in our eslint config file
+
+```json
+{
+  "extends": ["cod3rocket"],
+}
+```
+
 ## License
 
 [MIT](./LICENSE)