feat: add proxy config interface to schematics

npm/ng-packs/packages/schematics/src/models/index.ts

@@ -3,5 +3,6 @@ export * from './import';
 export * from './method';
 export * from './model';
 export * from './project';
+export * from './proxy-config';
 export * from './service';
 export * from './util';

npm/ng-packs/packages/schematics/src/models/proxy-config.ts

@@ -0,0 +1,5 @@
+import { ApiDefinition } from './api-definition';
+
+export interface ProxyConfig extends ApiDefinition {
+  generated: string[];
+}