Update README.md to reflect new branding and add demo GIF; optimize demo GIF size

Author: hannesrudolph

README.md

@@ -11,9 +11,11 @@ English • [Català](locales/ca/README.md) • [Deutsch](locales/de/README.md)
 </sub>
 </div>
 <br>
-
 <div align="center">
-  <h2>Join the Roo Code Community</h2>
+  <h1>Roo Code – #2 on OpenRouter</h2>
+  <p align="center">
+  <img src="https://media.githubusercontent.com/media/RooVetGit/Roo-Code/main/assets/docs/demo.gif" width="100%" />
+  </p>
   <p>Connect with developers, contribute ideas, and stay ahead with the latest AI-powered coding tools.</p>
 
   <a href="https://discord.gg/roocode" target="_blank"><img src="https://img.shields.io/badge/Join%20Discord-5865F2?style=for-the-badge&logo=discord&logoColor=white" alt="Join Discord"></a>