Adding discord link (badge) to readme

README.md

@@ -7,6 +7,13 @@
     Serena is the IDE for your coding agent.
 </h3>
 
+<div align="center">
+  <a href="https://discord.com/invite/cVUNQmnV4r"><img src="https://img.shields.io/badge/discord-join-5865F2?style=flat-square&labelColor=0a0e14&logo=discord&logoColor=5865F2" alt="discord"></a>
+  <a href="https://github.com/oraios/serena/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT-b0e8ff?style=flat-square&labelColor=0a0e14" alt="license"></a>
+</div>
+<br>
+
+
 * Serena provides essential **semantic code retrieval, editing and refactoring tools** that are akin to an IDE's capabilities,
   operating at the symbol level and exploiting relational structure.
 * It integrates with any client/LLM via the model context protocol (**MCP**).