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

This reverts commit c92f4a5edd.

frontend/node_modules/flatpickr/dist/plugins/monthSelect/index.d.ts

@@ -0,0 +1,17 @@
+import { Plugin } from "../../types/options";
+export interface Config {
+    shorthand: boolean;
+    dateFormat: string;
+    altFormat: string;
+    theme: string;
+    _stubbedCurrentMonth?: number;
+}
+export interface ElementDate extends Element {
+    dateObj: Date;
+}
+export declare type MonthElement = HTMLSpanElement & {
+    dateObj: Date;
+    $i: number;
+};
+declare function monthSelectPlugin(pluginConfig?: Partial<Config>): Plugin;
+export default monthSelectPlugin;