Unity MCP Server

## Description <!-- Provide a brief description of your changes --> ## Type of Change <!-- Save the type of change you did --> Save your change type - Bug fix (non-breaking change that fixes an issue) - New feature (non-breaking change that adds functionality) - Breaking change (fix or feature that would cause existing functionality to change) - Documentation update - Refactoring (no functional changes) - Test update ## Changes Made <!-- List the specific changes in this PR --> ## Testing/Screenshots/Recordings <!-- If applicable, add screenshots or recordings to demonstrate the changes --> ## Documentation Updates <!-- Check if you updated documentation for changes to tools/resources --> - [ ] I have added/removed/modified tools or resources - [ ] If yes, I have updated all documentation files using: - [ ] The LLM prompt at `tools/UPDATE_DOCS_PROMPT.md` (recommended) - [ ] Manual updates following the guide at `tools/UPDATE_DOCS.md` ## Related Issues <!-- Link any related issues using "Fixes #123" or "Relates to #123" --> ## Additional Notes <!-- Any other information that reviewers should know -->