Add missing admin action files and navigation links

- Add 11 missing server action files: badges, bulk-users, catalog, catalog-bc, catalog-items, import-badges, import-furni, multi-account-detect, permissions, rooms, soundtracks
- Add missing admin navigation links: tickets, sounds, translations, import, radio sub-pages
- Add translation keys for all new navigation items

src/app/community/page.tsx

@@ -42,11 +42,7 @@ export default function CommunityPage() {
 
   return (
     <main style={{ display: "grid", gap: "1.5rem" }}>
-      <ContentCard
-        icon="🌍"
-        title={t("title")}
-        subtitle={t("subtitle")}
-      />
+      <ContentCard icon="🌍" title={t("title")} subtitle={t("subtitle")} />
 
       <div className="card-grid sm-2 lg-3">
         {LINKS.map((l) => (