Implement FastAPI MCP zero-config integration

- Add fastapi_mcp to provide automatic MCP tooling from API endpoints
- Create MCP request/response schema models
- Update main.py to initialize FastAPI MCP with zero config
- Add comprehensive MCP integration documentation
- Update README with zero-config MCP integration information

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

requirements.txt

@@ -1,9 +1,10 @@
-fastapi
-uvicorn
-python-nomad
-pydantic
-python-dotenv
-httpx
-python-multipart
-pyyaml
-requests
+fastapi
+uvicorn
+python-nomad
+pydantic
+python-dotenv
+httpx
+python-multipart
+pyyaml
+requests
+fastapi_mcp