docs(readme.md): move the warning to the top

Author: haxgun

README.md

@@ -1,11 +1,11 @@
+> [!WARNING]
+> <strong>This branch is unstable!</strong>  New functions are introduced here that may not work correctly.
+
 <div align="center">
 <a href="https://overlay.haxgun.ru/">
     <img src=".media/header.png">
 </a>
 
-> [!WARNING]
-> <strong>This branch is unstable!</strong>  New functions are introduced here that may not work correctly.
-
 [![CI/CD](https://github.com/haxgun/valory/actions/workflows/master.yml/badge.svg)](https://github.com/haxgun/valory/actions/workflows/master.yml)
 [![GitHub License](https://img.shields.io/github/license/haxgun/valory)](https://github.com/haxgun/valory/blob/main/LICENSE)
 [![Website](https://img.shields.io/website?url=https://overlay.haxgun.ru)](https://overlay.haxgun.ru/)