feat: implement admin video upload system with platform integration for YouTube and TikTok

components/admin-shell.tsx

@@ -15,7 +15,7 @@ import {
   SidebarInset,
   SidebarTrigger,
 } from "@/components/ui/sidebar";
-import { ClipboardList, Server, LayoutDashboard, LucideIcon } from "lucide-react";
+import { ClipboardList, KeyRound, Server, LayoutDashboard, Upload, LucideIcon } from "lucide-react";
 import { ThemeToggle } from "@/components/theme-toggle";
 import { DropdownMenuAvatar, DiscordMemberProfile } from "@/components/dropdown-menu-avatar";
 
@@ -45,6 +45,18 @@ const NAV_ITEMS: NavItem[] = [
     icon: Server,
     isActive: (pathname) => pathname.startsWith("/admin/backend"),
   },
+  {
+    href: "/admin/upload",
+    label: "Upload",
+    icon: Upload,
+    isActive: (pathname) => pathname.startsWith("/admin/upload"),
+  },
+  {
+    href: "/admin/login",
+    label: "Login",
+    icon: KeyRound,
+    isActive: (pathname) => pathname.startsWith("/admin/login"),
+  },
 ];
 
 export function AdminShell({