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/gif-sticker-maker/assets/image-prompt-template.txt

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+Transform the subject into a Funko Pop / Pop Mart blind box style 3D figurine.
+
+Style:
+- Cute cartoon proportions (large head, small body)
+- 3D rendered (C4D/Octane quality), premium plastic/vinyl finish
+- Clean white background, soft studio lighting
+
+Subject handling:
+- Person: preserve facial features, hairstyle, clothing
+- Animal/Pet: preserve species, fur color, markings
+- Object: stylize into cute mascot figurine
+- Logo/Icon: transform to 3D toy, preserve original colors and shape
+
+Action: {action}
+Caption: "{caption}"
+
+Caption rendering (CRITICAL — follow exactly):
+- Black bold text with thick white outline stroke
+- Large, clear sans-serif font (e.g. Impact, Helvetica Bold)
+- MUST be placed at the absolute bottom center of the image as a standalone text banner
+- MUST NOT appear on the character's body, clothing, or any accessory
+- Leave visible gap between the character's feet and the caption text
+- Text must have sharp anti-aliased edges — it must survive video animation without warping

skills/gif-sticker-maker/assets/video-prompt-template.txt

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+Animate this cute 3D cartoon figurine performing: {action}
+
+Requirements:
+- Smooth loopable motion, keep action within 6 seconds
+- Character stays centered, white background remains static
+- Text at bottom must stay sharp and stable — no warping, no blur
+
+Action reference:
+- hi: wave hand cheerfully, slight head tilt
+- laugh: shake with laughter, eyes squint shut
+- cry: tears stream down, body trembles gently
+- love: make heart gesture with both hands, eyes sparkle
+
+CRITICAL: The caption text must remain perfectly readable throughout the entire animation. Zero text distortion.