fix(core): update

ts/interfaces/index.ts

@@ -3,3 +3,5 @@ export * from './image';
 export * from './label';
 export * from './network';
 export * from './port';
+export * from './service';
+

ts/interfaces/service.ts

@@ -0,0 +1,7 @@
+import * as interfaces from './'
+
+export interface IServiceCreationDescriptor {
+  Name: string;
+  Image: string;
+  Labels: interfaces.TLabels;
+}