simple role management

src/app/services/user/user.ts

@@ -0,0 +1,8 @@
+import {ChordMode} from '../../widget-modules/components/song-text/song-text.component';
+
+export interface User {
+  id: string;
+  name: string;
+  role: 'admin';
+  chordMode: ChordMode
+}