Added a comprehensive technical research document (CONTRIBUTING.md) that analyzes the video infrastructure and download strategies for all video platforms embedded within Skool.com, following the same structure and format as the reference document from serpapps/loom-video-downloader.

What's Included

This research document provides detailed technical analysis and implementation guidance for:

Video Platforms Covered:

• Skool Native embedded videos
• Loom videos embedded in Skool
• Vimeo videos embedded in Skool
• Wistia videos embedded in Skool
• YouTube videos embedded in Skool

Technical Coverage:

• URL pattern detection and extraction methods
• CDN architectures and failover strategies
• Stream format analysis (MP4, WebM, HLS)
• Specific yt-dlp commands for each platform
• ffmpeg processing techniques and stream analysis
• Alternative tools and backup download methods
• Error handling and troubleshooting strategies

Key Features:

• Research paper format with abstract, methodology, and conclusions
• Practical command-line examples for developers
• Batch processing scripts and automation strategies
• Performance optimization recommendations
• Security and compliance considerations

The document serves as a comprehensive reference for developers working on video download functionality within the Skool ecosystem, providing both theoretical understanding and practical implementation guidance using industry-standard tools like yt-dlp and ffmpeg.

This addresses the requirement to research and document the various embed URL patterns, stream format types, CDNs, and download strategies across all video platforms used by Skool, with specific commands and tool recommendations for detection, inspection, and downloading.

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