add 21st.dev official MCP

Author: serafimcloud

README.md

@@ -38,6 +38,7 @@ These servers aim to demonstrate MCP features and the TypeScript and Python SDKs
 
 Official integrations are maintained by companies building production ready MCP servers for their platforms.
 
+- <img height="12" width="12" src="https://www.21st.dev/favicon.ico" alt="21st.dev Logo" /> **[21st.dev Magic](https://github.com/21st-dev/mcp)** - Create crafted UI components inspired by the best 21st.dev design engineers.
 - <img height="12" width="12" src="https://apify.com/favicon.ico" alt="Apify Logo" /> **[Apify](https://github.com/apify/actors-mcp-server)** - [Actors MCP Server](https://apify.com/apify/actors-mcp-server): Use 3,000+ pre-built cloud tools to extract data from websites, e-commerce, social media, search engines, maps, and more
 - <img height="12" width="12" src="https://axiom.co/favicon.ico" alt="Axiom Logo" /> **[Axiom](https://github.com/axiomhq/mcp-server-axiom)** - Query and analyze your Axiom logs, traces, and all other event data in natural language
 - <img height="12" width="12" src="https://browserbase.com/favicon.ico" alt="Browserbase Logo" /> **[Browserbase](https://github.com/browserbase/mcp-server-browserbase)** - Automate browser interactions in the cloud (e.g. web navigation, data extraction, form filling, and more)