feat(worker): add cu_ids to worker create

workers.aqua

@@ -6,7 +6,7 @@ import PeerId from "./builtin.aqua"
 service Worker("worker"):
     -- Creates new worker associated with `deal_id`.
     -- Throws an error if worker exists.
-    create(deal_id: string) -> PeerId
+    create(deal_id: string, cu_ids: []string) -> PeerId
 
     -- Returns worker peer id associated with `deal_id`.
     -- Returns nil if worker doesn't exist.