Add support banner and caution message to README

Author: rainxchzed

README.md

@@ -64,6 +64,8 @@ Built with Kotlin Multiplatform and Compose Multiplatform for Android and Deskto
 
 </div>
 
+<div align="center"><a href="https://github.com/Safouene1/support-palestine-banner/blob/master/Markdown-pages/Support.md"><img src="https://raw.githubusercontent.com/Safouene1/support-palestine-banner/master/banner-project.svg" alt="Support Palestine" style="width: 100%;"></a></div>
+
 > [!CAUTION]
 > Free and Open-Source Android is under threat. Google will turn Android into a locked-down platform, restricting your essential freedom to install apps of your choice. Make your voice heard – [keepandroidopen.org](https://keepandroidopen.org/).