Add driver app

dcc/driver/serializers.py

@@ -0,0 +1,17 @@
+from rest_framework import serializers
+
+
+class FunctionSerializer(serializers.Serializer):
+    function = serializers.IntegerField(required=True)
+    state = serializers.IntegerField(required=True)
+
+
+class CabSerializer(serializers.Serializer):
+    speed = serializers.IntegerField(required=True)
+    direction = serializers.IntegerField(required=True)
+
+
+class InfraSerializer(serializers.Serializer):
+    power = serializers.BooleanField(required=True)
+    track = serializers.ChoiceField(choices=('main', 'prog', 'join'),
+                                    required=False)