Revert "Add yet-another-react-lightbox package and update .gitignore to exclude node_modules"

This reverts commit c92f4a5edd.

frontend/node_modules/yaml/dist/compose/resolve-end.js

@@ -0,0 +1,39 @@
+'use strict';
+
+function resolveEnd(end, offset, reqSpace, onError) {
+    let comment = '';
+    if (end) {
+        let hasSpace = false;
+        let sep = '';
+        for (const token of end) {
+            const { source, type } = token;
+            switch (type) {
+                case 'space':
+                    hasSpace = true;
+                    break;
+                case 'comment': {
+                    if (reqSpace && !hasSpace)
+                        onError(token, 'MISSING_CHAR', 'Comments must be separated from other tokens by white space characters');
+                    const cb = source.substring(1) || ' ';
+                    if (!comment)
+                        comment = cb;
+                    else
+                        comment += sep + cb;
+                    sep = '';
+                    break;
+                }
+                case 'newline':
+                    if (comment)
+                        sep += source;
+                    hasSpace = true;
+                    break;
+                default:
+                    onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${type} at node end`);
+            }
+            offset += source.length;
+        }
+    }
+    return { comment, offset };
+}
+
+exports.resolveEnd = resolveEnd;