refactor(track-backend): refactor track backend code

src/frontend/src/app/components/track-list/track-list.component.html

@@ -1,6 +1,6 @@
 <a class="panel-block is-flex is-justify-content-space-between" *ngFor="let track of tracks$ | async">
   <div>
-    <span>{{ track.artist }} - {{ track.song }}</span>&nbsp;
+    <span>{{ track.artist }} - {{ track.name }}</span>&nbsp;
     <a [href]="track.spotifyUrl"
        target="_blank"
        class="is-color-primary margin-left" title="Spotify preview of track that will be downloaded">

src/frontend/src/app/services/track.service.ts

@@ -12,7 +12,7 @@ const ENDPOINT = '/api/track';
 export interface Track {
   id: number;
   artist: string;
-  song: string;
+  name: string;
   spotifyUrl: string;
   youtubeUrl: string;
   status: TrackStatusEnum;