fix(serve): read <data-dir>/mcp_config.json and implement MCPPROXY_DATA_DIR - #1694

fix(serve): read <data-dir>/mcp_config.json and implement MCPPROXY_DATA_DIR#1694

Dumbris merged 7 commits into

smart-mcp-proxy:mainsmart-mcp-proxy/mcpproxy-go:mainfrom

james-crowley:fix/serve-data-dir-configjames-crowley/mcpproxy-go:fix/serve-data-dir-configCopy head branch name to clipboard