feat: lots more improvements

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/types/service.ts

@@ -117,6 +117,7 @@ export interface ServiceCreateResponse extends ServiceInterface {}
 export interface ServiceUpdateRequest {
   provider: string;
   identifier: string | number;
+  delta?: boolean;  // If true, 'data' contains only fields to update (partial update). If false or omitted, 'data' is a full replacement.
   data: Partial<ServiceInterface>;
 }