Add Codex plugin manifest and installation docs

Consolidate ignore rules and drop tracked caches

Fix skill validation baselines and examples

fix: make upstream action surface checker handle extension inputs correctly

feat: add drop-in claude-code-action wrapper with devops skill injection

docs: update README

docs: rewrite README for end users

Merge origin/main into main

chore: standardize skill docs and expand regression coverage

feat(skills): expand test coverage, add new validators, and harden scripts across all devops skills

refactor(skills): restructure skill definitions and harden scripts

rename lowercase skill.md files to uppercase #3

change Codex desktop installation details in README

Update README with Codex desktop skills installation

Add badge for Awesome Claude Code