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/seo-multi-channel/scripts/generate_content.py

@@ -102,10 +102,10 @@ class ChannelTemplate:
 
 
 class ImageHandler:
-    """Handle image generation and editing"""
+    """Handle image generation and editing using MiniMax API"""
 
-    def __init__(self, chutes_api_token: str):
-        self.chutes_token = chutes_api_token
+    def __init__(self, minimax_api_token: str = None):
+        self.minimax_token = minimax_api_token
         self.output_base = "output"
 
     def find_product_images(self, product_name: str, website_repo: str) -> List[str]: