Youtube Shorts Auto Scrol

This is a Chrome/browser extension for **YouTube Shorts** that provides:

🔄 Auto-Scroll Feature
- **Automatically scrolls to the next Short** when the current video ends
- Detects video end using two methods:
- **Loop detection** - If the video time jumps backward by more than 3 seconds (indicating it looped)
- **Near-end detection** - When less than 0.3 seconds remain
- Waits 400ms after video ends before scrolling to give a brief pause

❤️ Favorites System
- Adds a **floating heart button** to save Shorts to favorites
- Stores video metadata: ID, URL, title, channel, thumbnail, and save date
- Favorites can be viewed in a separate favorites.html page

⌨️ Keyboard Shortcuts
- **Alt+S** - Toggle auto-scroll on/off
- **Alt+F** - Add/remove current Short from favorites

📊 Statistics Tracking
- **Session watch time** - Time spent watching Shorts in current session
- **Total watch time** - All-time accumulated watch time
- **Session skip count** - How many Shorts auto-scrolled this session
- **Total skip count** - All-time skip count

🔔 Visual Feedback
- Toast notifications for toggle state and favorites actions
- Animated heart button that pulses when favorited
- State persists across sessions via Chrome storage