Reign LearnDash Addon v4.2.0

= 4.2.0 =
* Fixed fatal error with BuddyBoss Platform.  
* Fixed pagination issue on course tabs in user profiles.  
* Corrected "headers already sent" warning during plugin activation.  
* Updated `add_option()` usage to prevent deprecated argument warnings.  
* Improved `learndash_plugin_activation_check` for better activation handling.  
* Enabled course tab visibility by default for new user registrations.  
* Added translation and escaping support for course search dropdowns.  
* Updated "Activate License" button styling to match theme.  
* Replaced radio options with select fields in the backend.  
* Upgraded Font Awesome to the latest version.  
* Removed unused files, including HardG and related components.  
* Moved plugin deactivation logic to `admin_init` for proper handling.  
* Renamed course start class for naming consistency.  
* Optimize BuddyPress function checks to prevent fatal errors.  
* Add Safe Guards for BuddyPress Group Component in Reign_LearnDash_BuddyPress_Addon Class.  
* Added author argument in filters for better customization.  
* Fixed extra PHP tag issue.  
* Extended [ld_course_list] shortcode to support author ID parameter and category/tag filtering.
Reign LearnDash Addon
Reign LearnDash addon provides advanced styling options and layout customization to create visually engaging and user-friendly course pages.