sources/plex: initial plex source implementation

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/sources/plex/api.py

@@ -0,0 +1,21 @@
+"""Plex Source Serializer"""
+from rest_framework.viewsets import ModelViewSet
+
+from authentik.core.api.sources import SourceSerializer
+from authentik.sources.plex.models import PlexSource
+
+
+class PlexSourceSerializer(SourceSerializer):
+    """Plex Source Serializer"""
+
+    class Meta:
+        model = PlexSource
+        fields = SourceSerializer.Meta.fields + ["client_id", "allowed_servers"]
+
+
+class PlexSourceViewSet(ModelViewSet):
+    """Plex source Viewset"""
+
+    queryset = PlexSource.objects.all()
+    serializer_class = PlexSourceSerializer
+    lookup_field = "slug"