Guau Song Timestamp Manag

Automatically manages song timestamps for Euskadi Irratia / Kantu Kontari / radio shows (in guau.eus)

## Version 1.0.8
- Click on "Show more" button after injecting timestamps

## Version 1.0.7
- Added episode date normalization and handling across all components
- Fixed SSL certificate verification issues for guau.eus connections
- Added automatic button clicking after displaying song timestamps

## Version 1.0.6
- Automatic timestamp analysis triggering

## Version 1.0.5
Added real-time song highlighting feature:
- Automatically highlights the currently playing song in the timestamp list
- Highlighted songs get a blue background and border for easy identification

## Version 1.0.4
* Implemented DASH/MP3 fallback system to gracefully use legacy MP3 when DASH/MPD isn’t available
* Ensured audio player activation so timestamp links reliably seek and play
* Refactored and improved GuauSongManager logging for clearer diagnostics and readability

## Version 1.0.3
* Updated the Chrome extension to work with guau.eus's new DASH (Dynamic Adaptive Streaming over HTTP) system instead of the old MP3 direct streaming system.

## Version 1.0.2
* Fixed Hardcoded URL Bug: Fixed triggerTimestampAnalysis method to use detected API base URL instead of hardcoded localhost
* Smart Fallback: Automatically switches to production server if localhost fails (without persistent state)

## Version 1.0.1
* Fixed SPA Navigation: Extension now works on first visit to Kantu Kontari episodes
* Smart Server Detection: Automatically uses production (guau.ikasten.io) or development (localhost:5001) based on localStorage
* Enhanced Popup: Shows current server URL and mode (Development/Production)
* Better URL Matching: More robust regex pattern for episode detection
* Comprehensive Logging: Detailed console output for debugging navigation
* Updated Documentation: Clear instructions for development mode configuration