reorganize code into smaller files & dirs

packages/app/src/Components/PageSpinner.tsx

@@ -0,0 +1,9 @@
+import Spinner from "@/Components/Icons/Spinner";
+
+export default function PageSpinner() {
+  return (
+    <div className="flex justify-center items-center">
+      <Spinner width={50} height={50} />
+    </div>
+  );
+}