Add slots based per class, admin courses mgmt, admin roles, horizontal nav/landing, glove favicon

app/admin/classes/page.tsx

@@ -0,0 +1,10 @@
+import { prisma } from "@/lib/prisma";
+import AdminClasses from "./classes-admin";
+
+export default async function ClassesPage() {
+  const slots = await prisma.classSlot.findMany({
+    orderBy: { label: "asc" },
+  });
+
+  return <AdminClasses slots={slots} />;
+}