refactor: generalize fetchData function to handle different types

Author: sanjaypinna

fetch.ts

@@ -6,9 +6,10 @@ export const fetchDatasets = async (variables: any) => {
   return data;
 };
 
-export const fetchUseCases = async (variables: any) => {
+
+export const fetchData = async (type: string, variables: any) => {
   const response = await fetch(
-    `${process.env.NEXT_PUBLIC_BACKEND_URL}/api/search/usecase/${variables}`
+    `${process.env.NEXT_PUBLIC_BACKEND_URL}/api/search/${type}/${variables}`
   );
   const data = await response.json();
   return data;