Add comprehensive documentation for mcp.rs project#24

gitar-bot-staging[bot] wants to merge 2 commits intomaingitarcode/mcp:mainfrom

gitar/019814f5-d77c-7f72-b633-4a86e42f8b60-019814f9-fc2d-7892-bfab-0caee2ff7b8dgitarcode/mcp:gitar/019814f5-d77c-7f72-b633-4a86e42f8b60-019814f9-fc2d-7892-bfab-0caee2ff7b8dCopy head branch name to clipboard