update readme

README.md

@@ -1,2 +1,26 @@
 # eslint-plugin-orion
-🔩 An ESLint plugin to use with eslint-config-orion
+
+⚙️ An ESLint plugin for better consistency across projects
+
+This plugin add some global rules and also new rules for async function naming convention.
+
+> It is based on the [eslint-plugin-async-protect](https://github.com/IPWright83/eslint-plugin-async-protect).
+
+## Installation
+
+```sh
+npm i -D @orion.ui/eslint-plugin-orion
+```
+
+Then add it in your `eslint` config file :
+
+```js
+module.exports = {
+  ...
+  extends: [
+    ...
+    'plugin:@orion.ui/orion/recommended',
+  ],
+  ...
+};
+```