i think that's all the api endpoints!

Signed-off-by: ari melody <ari@arimelody.me>

global/data.go

@@ -38,3 +38,12 @@ func GetArtist(id string) *model.Artist {
 	}
 	return nil
 }
+
+func GetTrack(id string) *model.Track {
+	for _, track := range Tracks {
+		if track.ID == id {
+			return track
+		}
+	}
+	return nil
+}