Add Ralph Loop examples for agentic workflows

[Mossaka]

reference: https://ghuntley.com/ralph/
https://github.com/snarktank/ralph
https://github.com/snwfdhmp/awesome-ralph

Understand the ralph mode. Think about how it could be enabled by agentic workflows, and implement sample agentic workflows.

[Mossaka]

/plan

[github-actions]

🎉 Yo ho ho! Plan Command found the treasure and completed successfully! ⚓💰