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

This reverts commit c92f4a5edd.

frontend/node_modules/react-dnd-html5-backend/dist/OptionsReader.d.ts

@@ -0,0 +1,10 @@
+import type { HTML5BackendContext, HTML5BackendOptions } from './types.js';
+export declare class OptionsReader {
+    ownerDocument: Document | null;
+    private globalContext;
+    private optionsArgs;
+    constructor(globalContext: HTML5BackendContext, options?: HTML5BackendOptions);
+    get window(): Window | undefined;
+    get document(): Document | undefined;
+    get rootElement(): Node | undefined;
+}