chore: sync generated files and fix videodb description

- Fixed videodb/SKILL.md description (was 583 chars, now concise)
- Regenerated skills_index.json (969 skills)
- Updated README.md with latest skill count
- Regenerated CATALOG.md and data/catalog.json

Fixes validation error from PR #181 merge.

README.md

@@ -1,6 +1,6 @@
-# 🌌 Antigravity Awesome Skills: 968+ Agentic Skills for Claude Code, Gemini CLI, Cursor, Copilot & More
+# 🌌 Antigravity Awesome Skills: 969+ Agentic Skills for Claude Code, Gemini CLI, Cursor, Copilot & More
 
-> **The Ultimate Collection of 968+ Universal Agentic Skills for AI Coding Assistants — Claude Code, Gemini CLI, Codex CLI, Antigravity IDE, GitHub Copilot, Cursor, OpenCode, AdaL**
+> **The Ultimate Collection of 969+ Universal Agentic Skills for AI Coding Assistants — Claude Code, Gemini CLI, Codex CLI, Antigravity IDE, GitHub Copilot, Cursor, OpenCode, AdaL**
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Claude Code](https://img.shields.io/badge/Claude%20Code-Anthropic-purple)](https://claude.ai)
@@ -42,7 +42,7 @@ This repository provides essential skills to transform your AI assistant into a
 - [🎁 Curated Collections (Bundles)](#curated-collections)
 - [🧭 Antigravity Workflows](#antigravity-workflows)
 - [📦 Features & Categories](#features--categories)
-- [📚 Browse 968+ Skills](#browse-968-skills)
+- [📚 Browse 969+ Skills](#browse-969-skills)
 - [🤝 How to Contribute](#how-to-contribute)
 - [💬 Community](#community)
 - [☕ Support the Project](#support-the-project)
@@ -341,7 +341,7 @@ The repository is organized into specialized domains to transform your AI into a
 
 Counts change as new skills are added. For the current full registry, see [CATALOG.md](CATALOG.md).
 
-## Browse 968+ Skills
+## Browse 969+ Skills
 
 We have moved the full skill registry to a dedicated catalog to keep this README clean, and we've also introduced an interactive **Web App**!