UPDATE: Add LoadingScreen component to maintain consistency

frontend/src/components/Layout/LoadingScreen.tsx

@@ -0,0 +1,17 @@
+import React from "react";
+
+interface LoadingScreenProps {
+  children?: React.ReactNode;
+}
+
+const LoadingScreen: React.FC<LoadingScreenProps> = ({
+  children = "Loading...",
+}) => {
+  return (
+    <div className="h-screen w-screen flex items-center justify-center text-white">
+      {children}
+    </div>
+  );
+};
+
+export default LoadingScreen;