render gallery items

pdb-js/src/styles.scss

@@ -75,6 +75,10 @@ a.external-link:after {
   display: inline-block;
 }
 
+.clickable {
+    cursor: pointer;
+}
+
 body .mat-select-panel, body .mat-autocomplete-panel {
   max-height: 300px;
 }