docs: flesh out README

README.md

@@ -1,2 +1,22 @@
 # telegram-mcp
-Telegram MCP server to use bot. Can be hosted on Cloudflare Worker
+
+Telegram MCP server exposing a bot via the [Model Context Protocol](https://modelcontextprotocol.io). Can be hosted on Cloudflare Workers.
+
+## Quick start
+
+```bash
+npm install
+# Set secrets:
+wrangler secret put TELEGRAM_TOKEN
+wrangler secret put TELEGRAM_CHAT_ID
+wrangler secret put MCP_SECRET   # optional auth token
+
+# Deploy
+wrangler deploy
+```
+
+Local dev: `wrangler dev`
+
+## License
+
+Apache-2.0 — see [LICENSE](LICENSE).