Switched from relative path to using __DIR__ constant for requiring vendor/autoload.php. This ensures correct file inclusion regardless of the script's execution context, preventing potential loading issues.
Added composer configuration files to manage dependencies. Installed and configured the Firebase PHP-JWT library to handle JWT encoding and decoding. This enhancement aims to streamline JWT operations within the project.
Also updated .gitignore to exclude Composer artifacts.
Rebranded the auth_userkey plugin to auth_jwt, including changes to namespace, class names, and configuration settings to reflect the new jwt-based authentication mechanism. Updated copyright notices and contact information accordingly. This refactoring also includes the introduction of JWT token management using the Firebase JWT library, replacing the user quick keys.