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

This reverts commit c92f4a5edd.

frontend/node_modules/react-helmet-async/lib/server.d.ts

@@ -0,0 +1,44 @@
+import type { MappedServerState } from './types';
+declare const mapStateOnServer: (props: MappedServerState) => {
+    priority: {
+        toComponent: () => void;
+        toString: () => string;
+    };
+    base: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    bodyAttributes: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    htmlAttributes: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    link: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    meta: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    noscript: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    script: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    style: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+    title: {
+        toComponent: () => {};
+        toString: () => string;
+    };
+};
+export default mapStateOnServer;