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

This reverts commit c92f4a5edd.

frontend/node_modules/react-helmet-async/lib/utils.d.ts

@@ -0,0 +1,33 @@
+interface PropList {
+    [key: string]: any;
+}
+type PropsList = PropList[];
+type AttributeList = string[];
+interface MatchProps {
+    [key: string]: string | AttributeList;
+}
+declare const reducePropsToState: (propsList: PropsList) => {
+    baseTag: any;
+    bodyAttributes: any;
+    defer: any;
+    encode: any;
+    htmlAttributes: any;
+    linkTags: any;
+    metaTags: any;
+    noscriptTags: any;
+    onChangeClientState: any;
+    scriptTags: any;
+    styleTags: any;
+    title: any;
+    titleAttributes: any;
+    prioritizeSeoTags: boolean;
+};
+export declare const flattenArray: (possibleArray: string[] | string) => string;
+export { reducePropsToState };
+export declare const prioritizer: (elementsList: HTMLElement[], propsToMatch: MatchProps) => {
+    priority: HTMLElement[];
+    default: HTMLElement[];
+};
+export declare const without: (obj: PropList, key: string) => {
+    [x: string]: any;
+};