another attempt at fixing reflect-metadata issue

src/app/core/cache/builders/build-decorators.ts

@@ -1,3 +1,4 @@
+import "reflect-metadata";
 import { GenericConstructor } from "../../shared/generic-constructor";
 import { CacheableObject } from "../object-cache.reducer";
 

src/typings.d.ts

@@ -78,3 +78,5 @@ declare module "*.json" {
   const value: any;
   export default value;
 }
+
+declare module "reflect-metadata";