* feat: implement child menu support in main navbar
- Added a new JavaScript file for handling dropdown functionality in the navbar.
- Implemented event listeners for toggling dropdowns, closing them on outside clicks, and dismissing with the Escape key.
- Updated navbar HTML to support dropdown items with children, enhancing the navigation experience.
- Adjusted core script imports to include the new dropdown functionality.
* chore: update menu identifiers and add missing translations for development versions
* chore: update hugo stats
* chore: update script name
* chore: update menu item names to include arrows for external links
* fix: CSS loading logic for production and theme dev environments
- Updated the CSS loading logic to differentiate between production and theme environments.
* fix: streamline CSS loading logic for production and development environments
- Refactored the CSS loading logic to ensure proper handling of stylesheets in both production and development modes.
- Consolidated the CSS concatenation and minification process for production, while simplifying the development loading process.
* fix: simplify development CSS loading in head partial
- Updated the CSS loading logic in head.html to streamline the process for development environments by renaming the variable for clarity and ensuring proper handling of stylesheets.
Xin