💄 Enhance PhotoSwipe UI with custom buttons

Add custom close and download buttons to the PhotoSwipe interface for improved user interaction and accessibility.

✨ Remove lightbox functionality and replace with PhotoSwipe

Eliminate the lightbox controller and modal, integrating PhotoSwipe for
enhanced image and video viewing experience.

💄 Update header link target for events upload

Set the link target to open in a new tab when on the events upload page.