Stream marker updates

Signed-off-by: nicole mikołajczyk <git@mkljczk.pl>

lib/pleroma/web/views/streamer_view.ex

@@ -7,6 +7,7 @@ defmodule Pleroma.Web.StreamerView do
 
   alias Pleroma.Activity
   alias Pleroma.Conversation.Participation
+  alias Pleroma.Marker
   alias Pleroma.Notification
   alias Pleroma.User
   alias Pleroma.Web.MastodonAPI.NotificationView
@@ -164,6 +165,19 @@ defmodule Pleroma.Web.StreamerView do
     |> Jason.encode!()
   end
 
+  def render("marker.json", %Marker{} = marker) do
+    %{
+      event: "marker",
+      payload:
+        Pleroma.Web.MastodonAPI.MarkerView.render(
+          "markers.json",
+          markers: [marker]
+        )
+        |> Jason.encode!()
+    }
+    |> Jason.encode!()
+  end
+
   def render("pleroma_respond.json", %{type: type, result: result} = params) do
     %{
       event: "pleroma:respond",