feat: Import 35+ skills, merge duplicates, add openclaw installer

Major updates:
- Added 35+ new skills from awesome-opencode-skills and antigravity repos
- Merged SEO skills into seo-master
- Merged architecture skills into architecture
- Merged security skills into security-auditor and security-coder
- Merged testing skills into testing-master and testing-patterns
- Merged pentesting skills into pentesting
- Renamed website-creator to thai-frontend-dev
- Replaced skill-creator with github version
- Removed Chutes references (use MiniMax API instead)
- Added install-openclaw-skills.sh for cross-platform installation
- Updated .env.example with MiniMax API credentials

skills/theme-factory/themes/tech-innovation.md

@@ -0,0 +1,19 @@
+# Tech Innovation
+
+A bold and modern theme with high-contrast colors perfect for cutting-edge technology presentations.
+
+## Color Palette
+
+- **Electric Blue**: `#0066ff` - Vibrant primary accent
+- **Neon Cyan**: `#00ffff` - Bright highlight color
+- **Dark Gray**: `#1e1e1e` - Deep backgrounds
+- **White**: `#ffffff` - Clean text and contrast
+
+## Typography
+
+- **Headers**: DejaVu Sans Bold
+- **Body Text**: DejaVu Sans
+
+## Best Used For
+
+Tech startups, software launches, innovation showcases, AI/ML presentations, digital transformation content.