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

frontend/node_modules/@fullcalendar/list/internal-common.d.ts

@@ -1,27 +0,0 @@
-import { ViewApi, EventRenderRange } from '@fullcalendar/core';
-import { MountArg, DateComponent, ViewProps, Seg, DateMarker, EventStore, EventUiHash, DateRange } from '@fullcalendar/core/internal';
-import { createElement } from '@fullcalendar/core/preact';
-
-interface NoEventsContentArg {
-    text: string;
-    view: ViewApi;
-}
-type NoEventsMountArg = MountArg<NoEventsContentArg>;
-declare class ListView extends DateComponent<ViewProps> {
-    private computeDateVars;
-    private eventStoreToSegs;
-    state: {
-        timeHeaderId: string;
-        eventHeaderId: string;
-        dateHeaderIdRoot: string;
-    };
-    render(): createElement.JSX.Element;
-    setRootEl: (rootEl: HTMLElement | null) => void;
-    renderEmptyMessage(): createElement.JSX.Element;
-    renderSegList(allSegs: Seg[], dayDates: DateMarker[]): createElement.JSX.Element;
-    _eventStoreToSegs(eventStore: EventStore, eventUiBases: EventUiHash, dayRanges: DateRange[]): Seg[];
-    eventRangesToSegs(eventRanges: EventRenderRange[], dayRanges: DateRange[]): any[];
-    eventRangeToSegs(eventRange: EventRenderRange, dayRanges: DateRange[]): any[];
-}
-
-export { ListView as L, NoEventsContentArg as N, NoEventsMountArg as a };