Add relations

lib/nulla/models/moderation_log.ex

@@ -1,6 +1,7 @@
 defmodule Nulla.Models.ModerationLog do
   use Ecto.Schema
   import Ecto.Changeset
+  alias Nulla.Models.User
 
   @primary_key {:id, :integer, autogenerate: false}
   schema "moderation_logs" do
@@ -10,7 +11,7 @@ defmodule Nulla.Models.ModerationLog do
     field :reason, :string
     field :metadata, :map
 
-    belongs_to :moderator, Nulla.Models.User
+    belongs_to :moderator, User
 
     timestamps()
   end