[api] Add many missing API endpoints

vrobbler/apps/boardgames/api/serializers.py

@@ -0,0 +1,22 @@
+from boardgames import models
+from rest_framework import serializers
+
+class BoardGameDesignerSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = models.BoardGameDesigner
+        fields = "__all__"
+
+class BoardGamePublisherSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = models.BoardGamePublisher
+        fields = "__all__"
+
+class BoardGameLocationSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = models.BoardGameLocation
+        fields = "__all__"
+
+class BoardGameSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = models.BoardGame
+        fields = "__all__"