Added basic validation for requests

app/api/tokens/route.ts

@@ -6,7 +6,7 @@ export async function GET(req: Request) {
     try {
         const user = await fetchUserWithImpersonation(req)
         if (!user) {
-            return new NextResponse("Unauthorized", { status: 401 });
+            return NextResponse.json({ message: 'Unauthorized.', error: null, value: null }, { status: 401 });
         }
 
         const tokens = await db.apiKey.findMany({
@@ -18,6 +18,6 @@ export async function GET(req: Request) {
         return NextResponse.json(tokens);
     } catch (error) {
         console.log("[TOKENS/GET]", error);
-        return new NextResponse("Internal Error", { status: 500 });
+        return NextResponse.json({ message: 'Something went wrong', error: error, value: null }, { status: 500 })
     }
 }