guest mode

src/app/modules/guest/guest-show.ts

@@ -0,0 +1,10 @@
+import firebase from 'firebase/compat/app';
+import {Song} from '../songs/services/song';
+import Timestamp = firebase.firestore.Timestamp;
+
+export interface GuestShow {
+  id: string;
+  showType: string;
+  date: Timestamp;
+  songs: Song[];
+}