Rename hst-frontend-new to deck-frontend

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

deck-frontend/src/utils/index.ts

@@ -0,0 +1,5 @@
+export { $, $$, createElement, delegateEvent } from './dom.ts';
+export { getName, getImg, getFullImg, createNameMap, resolveGroupName } from './i18n.ts';
+export { filterTags, type FilterOptions } from './filters.ts';
+export { copyToClipboard, copyMrf } from './clipboard.ts';
+export { toast } from './toast.ts';