adds vote api

playlist/serializers/__init__.py

@@ -3,3 +3,4 @@ from .artist import ArtistSerializer
 from .user import UserSerializer
 from .album import AlbumSerializer
 from .profile import ProfileSerializer, BackgroundSerializer
+from .vote import VoteSerializer

playlist/serializers/vote.py

@@ -0,0 +1,12 @@
+from rest_framework import serializers
+from playlist.models import Vote
+
+class VoteSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Vote
+        fields = '__all__'
+        extra_kwargs = {
+            'url': {'view_name': 'api-vote', 'lookup_field': 'id'},
+            'track': {'view_name': 'api-track', 'lookup_field': 'id'},
+            'user': {'view_name': 'api-user', 'lookup_field': 'id'}
+        }