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/OffsetUtils.d.ts

@@ -0,0 +1,10 @@
+import type { XYCoord } from 'dnd-core';
+export declare function getNodeClientOffset(node: Node): XYCoord | null;
+export declare function getEventClientOffset(e: MouseEvent): XYCoord;
+export declare function getDragPreviewOffset(sourceNode: HTMLElement, dragPreview: HTMLElement, clientOffset: XYCoord, anchorPoint: {
+    anchorX: number;
+    anchorY: number;
+}, offsetPoint: {
+    offsetX: number;
+    offsetY: number;
+}): XYCoord;