feature(feature-management): add state actions to state service

npm/ng-packs/packages/feature-management/src/lib/services/feature-management-state.service.ts

@@ -1,6 +1,8 @@
 import { Injectable } from '@angular/core';
 import { Store } from '@ngxs/store';
 import { FeatureManagementState } from '../states';
+import { FeatureManagement } from '../models';
+import { GetFeatures, UpdateFeatures } from '../actions';
 
 @Injectable({
   providedIn: 'root',
@@ -11,4 +13,12 @@ export class FeatureManagementStateService {
   getFeatures() {
     return this.store.selectSnapshot(FeatureManagementState.getFeatures);
   }
+
+  fetchFeatures(payload: FeatureManagement.Provider) {
+    return this.store.dispatch(new GetFeatures(payload));
+  }
+
+  updateFeatures(payload: FeatureManagement.Provider & FeatureManagement.Features) {
+    return this.store.dispatch(new UpdateFeatures(payload));
+  }
 }