Refactors loading function

* Initialize service component and handler in hooks
* Dynamically watch the config instead of a reload on each page
* Uses derived store for public server config
* Moves service data in its own page data property
* Reverts to a array to store group/services

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

@@ -1,5 +1,7 @@
-import type { ServiceHandler } from '../service';
+import type { ServiceComponentPath, ServiceHandler } from '../service';
 
 export const handle: ServiceHandler = () => {
-	return { data: {}, componentPath: 'prowlarr/ProwlarrContent.svelte' };
+	return { prowlardata: 'coucou' };
 };
+
+export const path: ServiceComponentPath = 'prowlarr/ProwlarrContent.svelte';