Added mocks for all model types, added CollectionDataService

src/app/core/core.reducers.ts

@@ -0,0 +1,17 @@
+import { combineReducers } from "@ngrx/store";
+import {
+  CollectionDataState,
+  collectionDataReducer
+} from "./data-services/collection/collection-data.reducer";
+
+export interface CoreState {
+  collectionData: CollectionDataState
+}
+
+export const reducers = {
+  collectionData: collectionDataReducer,
+};
+
+export function coreReducer(state: any, action: any) {
+  return combineReducers(reducers)(state, action);
+}