Introduce group basic federation, event new page and notifications

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/graphql/api/comments.ex

@@ -3,7 +3,7 @@ defmodule Mobilizon.GraphQL.API.Comments do
   API for Comments.
   """
 
-  alias Mobilizon.Events.Comment
+  alias Mobilizon.Conversations.Comment
 
   alias Mobilizon.Federation.ActivityPub
   alias Mobilizon.Federation.ActivityPub.Activity
@@ -18,6 +18,10 @@ defmodule Mobilizon.GraphQL.API.Comments do
     ActivityPub.create(:comment, args, true)
   end
 
+  def update_comment(%Comment{} = comment, args) do
+    ActivityPub.update(:comment, comment, args, true)
+  end
+
   @doc """
   Deletes a comment