docs: add discord badge

Author: sinedied

README.md

@@ -6,9 +6,11 @@
 # Serverless AI Chat with RAG using LangChain.js
 
 [![Open project in GitHub Codespaces](https://img.shields.io/badge/Codespaces-Open-blue?style=flat-square&logo=github)](https://codespaces.new/Azure-Samples/serverless-chat-langchainjs?hide_repo_select=true&ref=main&quickstart=true)
+[![Join Azure AI Community Discord](https://img.shields.io/badge/Discord-Azure_AI_Community-blue?style=flat-square&logo=discord&color=5865f2&logoColor=fff)](https://discord.gg/kzRShWzttr)
 [![Official Learn documentation](https://img.shields.io/badge/Documentation-00a3ee?style=flat-square)](https://learn.microsoft.com/azure/developer/javascript/ai/get-started-app-chat-template-langchainjs)
 [![Watch to learn about RAG and this sample on YouTube](https://img.shields.io/badge/YouTube-d95652.svg?style=flat-square&logo=youtube)](https://www.youtube.com/watch?v=xkFOmx5yxIA&list=PLlrxD0HtieHi5ZpsHULPLxm839IrhmeDk&index=4)
 [![dev.to blog post walkthrough](https://img.shields.io/badge/Blog%20post-black?style=flat-square&logo=dev.to)](https://dev.to/azure/build-a-serverless-chatgpt-with-rag-using-langchainjs-3487)
+<br>
 [![Build Status](https://img.shields.io/github/actions/workflow/status/Azure-Samples/serverless-chat-langchainjs/build-test.yaml?style=flat-square&label=Build)](https://github.com/Azure-Samples/serverless-chat-langchainjs/actions)
 ![Node version](https://img.shields.io/badge/Node.js->=20-3c873a?style=flat-square)
 [![Ollama + Llama3.1](https://img.shields.io/badge/Ollama-Llama3.1-ff7000?style=flat-square)](https://ollama.com/library/llama3.1)