[api] Add many missing API endpoints

vrobbler/apps/beers/api/serializers.py

@@ -0,0 +1,18 @@
+from rest_framework import serializers
+from beers.models import Beer, BeerProducer, BeerStyle
+
+
+class BeerSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Beer
+        fields = "__all__"
+        
+class BeerProducerSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = BeerProducer
+        fields = "__all__"
+
+class BeerStyleSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = BeerStyle
+        fields = "__all__"