added loader

Author: eugene0111

app/loading.jsx

@@ -0,0 +1,7 @@
+export default function Loading() {
+  return (
+    <div className="flex h-screen w-full items-center justify-center bg-darker">
+      <div className="size-16 animate-spin rounded-full border-4 border-dark border-t-white shadow-lg"></div>
+    </div>
+  );
+}