Use React Query for data loading

src/lib/data.ts

@@ -1,6 +1,6 @@
 import { ResponseData } from "./parser";
 
-export function getSampleData(): ResponseData[] {
+export function getSampleData(): Promise<ResponseData[]> {
   const questions = [
     "Service Quality",
     "Value for Money",
@@ -24,5 +24,8 @@ export function getSampleData(): ResponseData[] {
       });
     }
   });
-  return sampleData;
+  // Simulate a delay to mimic fetching actual data
+  return new Promise<ResponseData[]>((resolve) => {
+    setTimeout(() => resolve(sampleData), 500);
+  });
 }