First version, for githup; UNSTABLE, DO NOT USE!

www/intern/js/img.js

@@ -0,0 +1,11 @@
+jQuery(document).ready(function($) {
+    const lightbox = new PhotoSwipeLightbox({
+        gallery: '.imgGallery',
+        children: 'a.imgLink',
+        pswpModule: PhotoSwipe,
+        captionContent: (slide) => {
+            return slide.data.element.dataset.pswpCaption || '';
+        }
+    });
+    lightbox.init();
+});