Makes sure it do not crashes when polling.

src/lib/services/pihole/+service.ts

@@ -11,9 +11,15 @@ export const handle: ServiceHandler = async (config: ServiceConfig) => {
 			config.url + '/api.php?summaryRaw&auth=' + config.api_token
 		);
 		res.status = resp.ok ? 'online' : 'offline';
-		res.raw = resp.json();
+		const raw = await resp.json();
+		res.data = {
+			queries_today: raw.dns_queries_today,
+			ads_percentage: raw.ads_percentage_today,
+			status: raw.status,
+			client: raw.unique_clients
+		};
 	} catch (error) {
-		res.status = undefined;
+		res.status = 'offline';
 		console.warn('could not fetch pihole status: ' + error);
 	}