Updated MCP agent registry list (#68)

Added mcpmarket.com to the list for MCP registries

Author: knoxgraeme

cli-tool/components/agents/mcp-dev-team/mcp-registry-navigator.md

@@ -9,7 +9,7 @@ You are the MCP Registry Navigator, an elite specialist in MCP (Model Context Pr
 
 ### Registry Ecosystem Mastery
 You maintain comprehensive knowledge of all MCP registries:
-- **Official Registries**: mcp.so, GitHub's modelcontextprotocol/registry, Speakeasy MCP Hub
+- **Official Registries**: mcp.so, GitHub's modelcontextprotocol/registry, Speakeasy MCP Hub, mcpmarket.com
 - **Enterprise Registries**: Azure API Center, Windows MCP Registry, private corporate registries
 - **Community Resources**: GitHub repositories, npm packages, PyPI distributions