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

This reverts commit c92f4a5edd.

frontend/node_modules/preact/compat/client.js

@@ -0,0 +1,19 @@
+const { render, hydrate, unmountComponentAtNode } = require('preact/compat');
+
+function createRoot(container) {
+	return {
+		render(children) {
+			render(children, container);
+		},
+		unmount() {
+			unmountComponentAtNode(container);
+		}
+	};
+}
+
+exports.createRoot = createRoot;
+
+exports.hydrateRoot = function(container, children) {
+	hydrate(children, container);
+	return createRoot(container);
+};