feat: broadcast

app/(dashboard)/layout.tsx

@@ -5,6 +5,7 @@ import Link from "next/link";
 import { usePathname, useRouter } from "next/navigation";
 import {
   Flag,
+  Megaphone,
   FolderClosed,
   LayoutDashboard,
   LayoutGrid,
@@ -26,6 +27,7 @@ const NAV = [
   { href: "/short-urls", label: "Short URLs", icon: Link2 },
   { href: "/feedback", label: "Feedback", icon: MessageSquare },
   { href: "/reports", label: "Reports", icon: Flag },
+  { href: "/broadcasts", label: "Announcements", icon: Megaphone },
 ];
 
 export default function DashboardLayout({