Add MCP Toolbox for Database to readme

Author: Yuan325

README.md

@@ -96,6 +96,7 @@ Official integrations are maintained by companies building production ready MCP
 - <img height="12" width="12" src="https://lingo.dev/favicon.ico" alt="Lingo.dev Logo" /> **[Lingo.dev](https://github.com/lingodotdev/lingo.dev/blob/main/mcp.md)** - Make your AI agent speak every language on the planet, using [Lingo.dev](https://lingo.dev) Localization Engine.
 - <img height="12" width="12" src="https://www.mailgun.com/favicon.ico" alt="Mailgun Logo" /> **[Mailgun](https://github.com/mailgun/mailgun-mcp-server)** - Interact with Mailgun API.
 - <img height="12" width="12" src="https://www.make.com/favicon.ico" alt="Make Logo" /> **[Make](https://github.com/integromat/make-mcp-server)** - Turn your [Make](https://www.make.com/) scenarios into callable tools for AI assistants.
+- <img height="12" width="12" src="https://googleapis.github.io/genai-toolbox/favicons/favicon.ico" alt="MCP Toolbox for Databases Logo" /> **[MCP Toolbox for Databases](https://github.com/googleapis/genai-toolbox)** - Open source MCP server specializing in easy, fast, and secure tools for Databases.
 - <img height="12" width="12" src="https://www.meilisearch.com/favicon.ico" alt="Meilisearch Logo" /> **[Meilisearch](https://github.com/meilisearch/meilisearch-mcp)** - Interact & query with Meilisearch (Full-text & semantic search API)
 - <img height="12" width="12" src="https://metoro.io/static/images/logos/Metoro.svg" /> **[Metoro](https://github.com/metoro-io/metoro-mcp-server)** - Query and interact with kubernetes environments monitored by Metoro
 - <img height="12" width="12" src="https://milvus.io/favicon-32x32.png" /> **[Milvus](https://github.com/zilliztech/mcp-server-milvus)** - Search, Query and interact with data in your Milvus Vector Database.