add twelvedata MCP server

Author: Eugene Kopev

README.md

@@ -191,6 +191,7 @@ Official integrations are maintained by companies building production ready MCP
 - <img height="12" width="12" src="https://www.pingcap.com/favicon.ico" alt="TiDB Logo" /> **[TiDB](https://github.com/pingcap/pytidb)** - MCP Server to interact with TiDB database platform.
 - <img height="12" width="12" src="https://www.tinybird.co/favicon.ico" alt="Tinybird Logo" /> **[Tinybird](https://github.com/tinybirdco/mcp-tinybird)** - Interact with Tinybird serverless ClickHouse platform
 - <img height="12" width="12" src="https://b2729162.smushcdn.com/2729162/wp-content/uploads/2023/10/cropped-Favicon-1-192x192.png?lossy=1&strip=1&webp=1" alt="Tldv Logo" /> **[Tldv](https://gitlab.com/tldv/tldv-mcp-server)** - Connect your AI agents to Google-Meet, Zoom & Microsoft Teams through [tl;dv](https://tldv.io)
+- <img height="18" width="18" src="https://github.com/twelvedata/mcp/raw/develop/favicon.ico" alt="Twelvedata Logo" /> **[Twelve Data](https://twelvedata.com)** — Integrate your AI agents with real-time and historical financial market data through our official [MCP server](https://github.com/twelvedata/mcp).
 - <img height="12" width="12" src="https://unifai.network/favicon.ico" alt="UnifAI Logo" /> **[UnifAI](https://github.com/unifai-network/unifai-mcp-server)** - Dynamically search and call tools using [UnifAI Network](https://unifai.network)
 - <img height="12" width="12" src="https://framerusercontent.com/images/plcQevjrOYnyriuGw90NfQBPoQ.jpg" alt="Unstructured Logo" /> **[Unstructured](https://github.com/Unstructured-IO/UNS-MCP)** - Set up and interact with your unstructured data processing workflows in [Unstructured Platform](https://unstructured.io)
 - <img height="12" width="12" src="https://upstash.com/icons/favicon-32x32.png" alt="Upstash Logo" /> **[Upstash](https://github.com/upstash/mcp-server)** - Manage Redis databases and run Redis commands on [Upstash](https://upstash.com/) with natural language.