Darkify - WordPress Dark Mode Plugin 1.4.0

Updated: Redesigned admin UI-UX for better useablity.
Updated: CSS & JS codebase for better performance & future maintainability.
Fixed: Invert speceifc images option.
Fixed:Exclude Image option not working issue when using line break.
Fixed:Low Brightness option not working sometimes.
Added: Help title for showing on tooltips.

* Improvement: Enhanced `DRK_Fields` class structure for better readability and maintainability.
* Update: Code adjustments for full compatibility with the latest WordPress version.
* Update: Improved code compatibility with the latest PHP versions.

- Fixed PHP warning to and compatible with the latest WordPress