fix error in gitignore

apps/live_monitoring/serializers.py

@@ -0,0 +1,10 @@
+from rest_framework import serializers
+
+from apps.live_monitoring.models import Camera
+
+
+class CameraSerializer(serializers.ModelSerializer):
+    # auth_config is never exposed to the frontend.
+    class Meta:
+        model = Camera
+        fields = ["id", "name", "facility", "processing_line", "stream_url", "active"]