fix: update setup-ralph with security and backup improvements

feat: add setup-ralph skill for autonomous coding loops

feat: add ask-me-questions slash command

feat: add research slash commands

docs: add create-mcp-servers skill to README

feat: add create-mcp-servers skill with router pattern

Add MIT license

docs: add create-plan and run-plan commands to README

fix: use correct create-plans skill invocation

feat: add create-plan and run-plan commands

feat: refine scope control and checkpoint principles

feat: major skill system updates and remove deprecation

refactor: restructure domain expertise from build/ to expertise/

fix: correct debug skill to load from build/ not debug/

feat: add domain awareness to debug-like-expert skill