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

frontend/node_modules/yaml/dist/doc/anchors.d.ts

@@ -1,24 +0,0 @@
-import type { Node } from '../nodes/Node';
-import type { Document } from './Document';
-/**
- * Verify that the input string is a valid anchor.
- *
- * Will throw on errors.
- */
-export declare function anchorIsValid(anchor: string): true;
-export declare function anchorNames(root: Document<Node, boolean> | Node): Set<string>;
-/** Find a new anchor name with the given `prefix` and a one-indexed suffix. */
-export declare function findNewAnchor(prefix: string, exclude: Set<string>): string;
-export declare function createNodeAnchors(doc: Document<Node, boolean>, prefix: string): {
-    onAnchor: (source: unknown) => string;
-    /**
-     * With circular references, the source node is only resolved after all
-     * of its child nodes are. This is why anchors are set only after all of
-     * the nodes have been created.
-     */
-    setAnchors: () => void;
-    sourceObjects: Map<unknown, {
-        anchor: string | null;
-        node: Node | null;
-    }>;
-};