Update README with comprehensive documentation, sources, and acknowledgments
- Added all 40+ agents organized by category
- Added MCP tools with source links
- Added acknowledgments section crediting:
- fcakyon/claude-codex-settings
- nextlevelbuilder/ui-ux-pro-max-skill
- iannuttall/ralph
- zai-ai/mcp-server
- anthropics/claude-code
- Added model configuration examples
- Added installation script descriptions
- Enhanced formatting with badges and tables