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

frontend/node_modules/preact/compat/client.js

@@ -1,19 +0,0 @@
-const { render, hydrate, unmountComponentAtNode } = require('preact/compat');
-
-function createRoot(container) {
-	return {
-		render(children) {
-			render(children, container);
-		},
-		unmount() {
-			unmountComponentAtNode(container);
-		}
-	};
-}
-
-exports.createRoot = createRoot;
-
-exports.hydrateRoot = function(container, children) {
-	hydrate(children, container);
-	return createRoot(container);
-};