docs(skills): Add claude-code-skills-reference to external libraries

- Forked daymade/claude-code-skills to Gitea (MIT License)
- 50 production skills including Cloudflare, research, automation
- Highlights: cloudflare-troubleshooting, deep-research, continue-claude-work

Session total: 3 skill libraries forked today
- claude-skills-reference (2,375 files)
- skill-seekers-reference (2,814 files)
- claude-code-skills-reference (390 files)

Chronicler #73

docs/skills/SKILLS-INDEX.md

@@ -553,6 +553,33 @@ skill-seekers package output/example --target qdrant
 
 **See also:** `docs/tasks/task-093-trinity-codex/references/skill-seekers-qdrant.md`
 
+---
+
+### claude-code-skills-reference (Gitea)
+**Location:** https://git.firefrostgaming.com/firefrost-gaming/claude-code-skills-reference  
+**Source:** Fork of [daymade/claude-code-skills](https://github.com/daymade/claude-code-skills)  
+**License:** MIT  
+**Added:** 2026-04-09 by Chronicler #73
+
+**Purpose:** 50 production-ready skills for Claude Code with scripts, references, and examples.
+
+| Skill | Description |
+|-------|-------------|
+| cloudflare-troubleshooting | API-driven Cloudflare debugging |
+| tunnel-doctor | Tailscale + VPN/proxy conflict resolution |
+| deep-research | Multi-agent research reports with citations |
+| continue-claude-work | Session recovery from local artifacts |
+| excel-automation | Create/parse Excel with openpyxl |
+| mermaid-tools | Extract and render Mermaid diagrams |
+| github-ops | PR/issue management via gh CLI |
+| skill-creator | Meta-skill for creating new skills |
+| skill-reviewer | Meta-skill for reviewing/improving skills |
+| ppt-creator | PowerPoint generation |
+| pdf-creator | PDF generation |
+| scrapling-skill | Web scraping |
+
+**Full list:** 50 skills including terraform, i18n, QA, UI design, and more.
+
 **Contents:** 2,375 files across 20+ categories — a comprehensive AI skills library for full review.
 
 | Category | Items | Highlights |