docs: add v3.7.1 release documentation
Add release notes for v3.7.1 maintenance release, with v3.7.1 updates at top and complete v3.7.0 documentation below.
**v3.7.1 Updates**:
- Bug Fixes: Skills installation, Gemini config persistence, dialog overlay protection
- New Features: Gemini config directory support, ArchLinux installation
- Improvements: Skills error i18n enhancement (28+ keys), code formatting
**v3.7.0 Complete Documentation**:
- Six major features (Gemini CLI, MCP v3.7.0, Skills, Prompts, Deep Link, Conflict Detection)
- Technical statistics (152 files, +18,104 / -3,732 lines)
- Strategic positioning shift: Provider Switcher → AI CLI Management Platform
Files:
- docs/release-note-v3.7.1-zh.md (Chinese)
- docs/release-note-v3.7.1-en.md (English)
Jason