v1.2.12
* Testing: Enabled unit testing for content.js and added an E2E test for Everand.
* Everand: Added support for Everand.com as a source and target site.

v1.2.11
* Added: Added Amazon.de (Germany) as a target site.
* Changed: Amazon links (UK, US, DE) are now disabled by default.

1.2.10: Refactored the popup menu into collapsible groups (International, Danish, Amazon) to improve usability and save space. Added "Toggle All" checkboxes to group headers.

1.2.9: Centralized all button configurations into config.js. Removed hardcoded styling logic from content.js to make button creation data-driven.

1.2.8: Replaced flag emojis with inline PNG images to ensure consistent display on Windows.

1.2.7: Simplified button text by removing prefixes and adding country flags for better scanning.

1.2.6: Added site icons (favicons) to all buttons for easier visual recognition.

1.2.5: Temporarily disabled Bog & Ide affiliate links due to technical issues.

1.2.4: Improved button layout for Danish sites (Bog & Ide, Bibliotek.dk, MinReol) using a responsive grid with equal widths. Reordered buttons to match the popup menu.

1.2.3: Added partner-ads affiliate link support for Bog & Ide.

1.2.2: Added support for Amazon UK and Amazon.com. Added setting to toggle affiliate links. Updated search logic to use Title + Author + ISBN for better results. Added Amazon section to settings.