Release v1.22.0: Add skill-reviewer and github-contributor

- Add skill-reviewer v1.0.0 for reviewing Claude Code skills against best practices
  - Self-review mode: validate your own skills before publishing
  - External review mode: evaluate others' skill repositories
  - Auto-PR mode: fork, improve, submit PRs with additive-only changes
  - Auto-install dependencies: automatically installs skill-creator if missing

- Add github-contributor v1.0.0 for strategic open-source contribution
  - Four contribution types: Documentation, Code Quality, Bug Fixes, Features
  - Project selection criteria and red flags
  - PR excellence workflow and reputation building ladder
  - GitHub CLI commands and conventional commit format

- Update marketplace to v1.22.0 with 30 skills
- Update documentation (README, README.zh-CN, CLAUDE.md, CHANGELOG)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

github-contributor/references/project_evaluation.md

@@ -0,0 +1,149 @@
+# Project Evaluation Guide
+
+How to evaluate open-source projects before contributing.
+
+## Quick Health Check
+
+```bash
+# Check recent activity
+gh repo view owner/repo --json updatedAt,stargazersCount,openIssues
+
+# Check PR response time
+gh pr list --repo owner/repo --state merged --limit 10
+
+# Check issue activity
+gh issue list --repo owner/repo --limit 20
+```
+
+## Evaluation Criteria
+
+### 1. Activity Level
+
+| Signal | Good | Bad |
+|--------|------|-----|
+| Last commit | < 1 month | > 6 months |
+| Open PRs | Being reviewed | Ignored |
+| Issue responses | Within days | Never |
+| Release frequency | Regular | Years ago |
+
+### 2. Community Health
+
+| Signal | Good | Bad |
+|--------|------|-----|
+| CONTRIBUTING.md | Exists, detailed | Missing |
+| Code of Conduct | Present | Missing |
+| Issue templates | Well-structured | None |
+| Discussion tone | Friendly, helpful | Hostile |
+
+### 3. Maintainer Engagement
+
+| Signal | Good | Bad |
+|--------|------|-----|
+| Review comments | Constructive | Dismissive |
+| Response time | Days | Months |
+| Merge rate | Regular merges | Stale PRs |
+| New contributor PRs | Welcomed | Ignored |
+
+### 4. Documentation Quality
+
+| Signal | Good | Bad |
+|--------|------|-----|
+| README | Clear, comprehensive | Minimal |
+| Getting started | Easy to follow | Missing |
+| API docs | Complete | Outdated |
+| Examples | Working, relevant | Broken |
+
+## Scoring System
+
+Rate each category 1-5:
+
+```
+Activity Level:      _/5
+Community Health:    _/5
+Maintainer Engage:   _/5
+Documentation:       _/5
+----------------------------
+Total:               _/20
+```
+
+**Interpretation:**
+- 16-20: Excellent choice
+- 12-15: Good, proceed with caution
+- 8-11: Consider carefully
+- < 8: Avoid or expect delays
+
+## Red Flags
+
+### Immediate Disqualifiers
+
+- No commits in 1+ year
+- Maintainer explicitly stepped away
+- Project archived
+- License issues
+
+### Warning Signs
+
+- Many open PRs without review
+- Hostile responses to contributors
+- No clear contribution path
+- Overly complex setup
+
+## Green Flags
+
+### Strong Indicators
+
+- "good first issue" labels maintained
+- Active Discord/Slack community
+- Regular release schedule
+- Responsive maintainers
+- Clear roadmap
+
+### Bonus Points
+
+- Funded/sponsored project
+- Multiple active maintainers
+- Good test coverage
+- CI/CD pipeline
+
+## Research Checklist
+
+```
+Project Evaluation:
+- [ ] Check GitHub Insights
+- [ ] Read recent issues
+- [ ] Review merged PRs
+- [ ] Check contributor guide
+- [ ] Look for "good first issue"
+- [ ] Assess community tone
+- [ ] Verify active maintenance
+- [ ] Confirm compatible license
+```
+
+## Finding Projects
+
+### By Interest
+
+```bash
+# Find by topic
+gh search repos "topic:cli" --sort=stars
+
+# Find by language
+gh search repos "language:python" --sort=stars
+
+# Find with good first issues
+gh search issues "good first issue" --language=rust
+```
+
+### By Need
+
+- Tools you use daily
+- Libraries in your projects
+- Frameworks you're learning
+- Problems you've encountered
+
+### Curated Lists
+
+- awesome-for-beginners
+- first-timers-only
+- up-for-grabs.net
+- goodfirstissue.dev