feat(security): add security setup (#1565)

src/app/@core/core.module.ts

@@ -1,6 +1,8 @@
 import { ModuleWithProviders, NgModule, Optional, SkipSelf } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { NbAuthModule, NbDummyAuthProvider } from '@nebular/auth';
+import { NbSecurityModule, NbRoleProvider } from '@nebular/security';
+import { of as observableOf } from 'rxjs/observable/of';
 
 import { throwIfAlreadyLoaded } from './module-import-guard';
 import { DataModule } from './data/data.module';
@@ -21,6 +23,27 @@ const NB_CORE_PROVIDERS = [
       },
     },
   }).providers,
+  NbSecurityModule.forRoot({
+    accessControl: {
+      guest: {
+        view: '*',
+      },
+      user: {
+        parent: 'guest',
+        create: '*',
+        edit: '*',
+        remove: '*',
+      },
+    },
+  }).providers,
+  {
+    provide: NbRoleProvider,
+    useValue: {
+      getRole: () => {
+        return observableOf('guest'); // here you could provide any role based on any auth flow
+      },
+    },
+  },
   AnalyticsService,
 ];