docs: tailwindcss v4

README.md

@@ -65,6 +65,16 @@ In addition it sorts the classes logically, removes unnecessary whitespaces and
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+> [!NOTE]
+> Support for tailwindcss v4 is currently in beta.
+>
+> If you are on tailwindcss v4, install the beta version of this plugin: `npm i -D eslint-plugin-readable-tailwind@beta`.
+> Please report any feedback or issues you encounter with the beta version in the [discussions](https://github.com/schoero/eslint-plugin-readable-tailwind/discussions/71).
+> Additional breaking changes are documented in the [CHANGELOG on the v2 branch](https://github.com/schoero/eslint-plugin-readable-tailwind/blob/v2/CHANGELOG.md).
+
+<br/>
+<br/>
+
 <div align="center">
   <img alt="eslint-plugin-readable-tailwind example" width="640px" src="./assets/eslint-plugin-readable-tailwind-demo.webp">
 </div>