Summary
- add a new ios-hig-design-guide skill folder with SKILL, sync script, and workflow reference
- add a README entry under Development & Code Tools
Included files
- ios-hig-design-guide/SKILL.md
- ios-hig-design-guide/scripts/sync_apple_hig_sources.py
- ios-hig-design-guide/references/ios-design-spec-workflow.md
Use case
Build iOS feature design specifications grounded in Apple Human Interface Guidelines, with a script that syncs official source data for up-to-date guidance.