refactor(add-ns): use project prefix for generated components

Author: sis0k0

src/add-ns/_sample-files/barcelona/player-detail/player-detail.component.ts

@@ -5,7 +5,7 @@ import { Player } from '../player.model';
 import { PlayerService } from '../player.service';
 
 @Component({
-  selector: 'ns-details',
+  selector: '<%= prefix %>-details',
   templateUrl: './player-detail.component.html',
 })
 export class PlayerDetailComponent implements OnInit {

src/add-ns/_sample-files/barcelona/players/players.component.ts

@@ -4,7 +4,7 @@ import { Player } from '../player.model';
 import { PlayerService } from '../player.service';
 
 @Component({
-  selector: 'ns-players',
+  selector: '<%= prefix %>-players',
   templateUrl: './players.component.html',
 })
 export class PlayersComponent implements OnInit {

src/add-ns/index.ts

@@ -143,8 +143,8 @@ const addSampleFiles = () => (_tree: Tree, context: SchematicContext) => {
     nsext: extensions.ns,
     webext: extensions.web,
     sourceDir: projectSettings.sourceRoot,
-
     indexAppRootTag: projectSettings.indexAppRootTag,
+    prefix: projectSettings.prefix,
   };
   const path = join(projectSettings.sourceRoot, 'app');