feat(config_management): Add Device Base Serializer

ref: #248 #353

app/itam/serializers/device.py

@@ -0,0 +1,31 @@
+from rest_framework import serializers
+
+from access.serializers.organization import OrganizationBaseSerializer
+
+from itam.models.device import Device
+
+
+
+class DeviceBaseSerializer(serializers.ModelSerializer):
+
+    display_name = serializers.SerializerMethodField('get_display_name')
+
+    def get_display_name(self, item):
+
+        return str( item )
+
+    class Meta:
+
+        model = Device
+
+        fields = [
+            'id',
+            'display_name',
+            'name',
+        ]
+
+        read_only_fields = [
+            'id',
+            'display_name',
+            'name',
+        ]