Add MCP Catalog Trust Score badge

Author: Matvey-Kuk

README.md

@@ -7,6 +7,8 @@
 [![](https://img.shields.io/github/last-commit/CoderGamester/mcp-unity 'Last Commit')](https://github.com/CoderGamester/mcp-unity/commits/main)
 [![](https://img.shields.io/badge/License-MIT-red.svg 'MIT License')](https://opensource.org/licenses/MIT)
 
+[![Trust Score](https://archestra.ai/mcp-catalog/api/badge/quality/CoderGamester/mcp-unity)](https://archestra.ai/mcp-catalog/codergamester__mcp-unity)
+
 | [🇺🇸English](README.md) | [🇨🇳简体中文](README_zh-CN.md) | [🇯🇵日本語](README-ja.md) |
 |----------------------|---------------------------------|----------------------|