upd

src/components/Loading.tsx

@@ -0,0 +1,14 @@
+import React from 'react';
+
+const Loading: React.FC = () => {
+  return (
+    <div className="loading">
+      <div className="spinner-border text-primary" role="status">
+        <span className="visually-hidden">Загрузка...</span>
+      </div>
+      <p>Загрузка данных...</p>
+    </div>
+  );
+};
+
+export default Loading;