Add discourse-mcp to Communication section

Added official Discourse MCP server with Ruby, cloud/local, and
cross-platform support badges.

README.md

@@ -326,6 +326,7 @@ Integration with communication platforms for message management and channel oper
 - [chaindead/telegram-mcp](https://github.com/chaindead/telegram-mcp) 🏎️ 🏠 - Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status
 - [chigwell/telegram-mcp](https://github.com/chigwell/telegram-mcp) 🐍 🏠 - Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, sending messages and handling read status.
 - [Danielpeter-99/calcom-mcp](https://github.com/Danielpeter-99/calcom-mcp) 🐍 🏠 - MCP server for Calcom. Manage event types, create bookings, and access Cal.com scheduling data through LLMs.
+- [discourse/discourse-mcp](https://github.com/discourse/discourse-mcp) 🎖️ 💎 ☁️ 🏠 💬 🍎 🪟 🐧 - Official Discourse MCP server for forum integration. Search topics, read posts, manage categories and tags, discover users, and interact with Discourse communities.
 - [elie222/inbox-zero](https://github.com/elie222/inbox-zero/tree/main/apps/mcp-server) 🐍 ☁️ - An MCP server for Inbox Zero. Adds functionality on top of Gmail like finding out which emails you need to reply to or need to follow up on.
 - [gerkensm/callcenter.js-mcp](https://github.com/gerkensm/callcenter.js-mcp) 📇 ☁️ - An MCP server to make phone calls using VoIP/SIP and OpenAI's Realtime API and observe the transcript.
 - [gitmotion/ntfy-me-mcp](https://github.com/gitmotion/ntfy-me-mcp) 📇 ☁️ 🏠 - An ntfy MCP server for sending/fetching ntfy notifications to your self-hosted ntfy server from AI Agents 📤 (supports secure token auth & more - use with npx or docker!)