- Created a new error page (error.twig) with a user-friendly design for displaying error messages.
- Created a new not found page (not-found.twig) to handle 404 errors with appropriate messaging and actions.
- Added a SAML authentication configuration file (settings-custom.php) to support group-based admin assignment and user provisioning.
- Introduced a new layout designer page template that supports an embeddable mode for integration within iframes in external applications. This includes hiding CMS navigation and sending postMessage events to the parent window.
- Added a new welcome page template that serves as an onboarding guide for users, featuring step-by-step instructions for connecting displays, uploading content, designing layouts, and scheduling content.
- Included CSS styles for both templates to enhance the user interface and experience.
- Implemented JavaScript functionality for live statistics on the welcome page, fetching counts for displays, media files, layouts, and schedules.
