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

This reverts commit c92f4a5edd.

frontend/node_modules/@svgdotjs/svg.js/src/elements/Defs.js

@@ -0,0 +1,18 @@
+import { nodeOrNew, register } from '../utils/adopter.js'
+import Container from './Container.js'
+
+export default class Defs extends Container {
+  constructor(node, attrs = node) {
+    super(nodeOrNew('defs', node), attrs)
+  }
+
+  flatten() {
+    return this
+  }
+
+  ungroup() {
+    return this
+  }
+}
+
+register(Defs, 'Defs')