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

This reverts commit c92f4a5edd.

frontend/node_modules/flatpickr/dist/plugins/confirmDate/confirmDate.d.ts

@@ -0,0 +1,9 @@
+import { Plugin } from "../../types/options";
+export interface Config {
+    confirmIcon?: string;
+    confirmText?: string;
+    showAlways?: boolean;
+    theme?: string;
+}
+declare function confirmDatePlugin(pluginConfig: Config): Plugin;
+export default confirmDatePlugin;