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

This reverts commit c92f4a5edd.

frontend/node_modules/yaml/dist/compose/resolve-end.d.ts

@@ -0,0 +1,6 @@
+import type { SourceToken } from '../parse/cst';
+import type { ComposeErrorHandler } from './composer';
+export declare function resolveEnd(end: SourceToken[] | undefined, offset: number, reqSpace: boolean, onError: ComposeErrorHandler): {
+    comment: string;
+    offset: number;
+};