docs: add github trending badge

README.md

@@ -2,6 +2,8 @@
 
 # MCP Toolbox for Databases
 
+<a href="https://trendshift.io/repositories/13019" target="_blank"><img src="https://trendshift.io/api/badge/repositories/13019" alt="googleapis%2Fgenai-toolbox | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
+
 [![Docs](https://img.shields.io/badge/docs-MCP_Toolbox-blue)](https://googleapis.github.io/genai-toolbox/)
 [![Discord](https://img.shields.io/badge/Discord-%235865F2.svg?style=flat&logo=discord&logoColor=white)](https://discord.gg/Dmm69peqjh)
 [![Medium](https://img.shields.io/badge/Medium-12100E?style=flat&logo=medium&logoColor=white)](https://medium.com/@mcp_toolbox)