Add field to user schema for controlling disclosure of client details

lib/pleroma/user.ex

@@ -147,6 +147,7 @@ defmodule Pleroma.User do
     field(:shared_inbox, :string)
     field(:accepts_chat_messages, :boolean, default: nil)
     field(:last_active_at, :naive_datetime)
+    field(:disclose_client, :boolean, default: true)
 
     embeds_one(
       :notification_settings,

priv/repo/migrations/20210218223811_add_disclose_client_to_users.exs

@@ -0,0 +1,15 @@
+defmodule Pleroma.Repo.Migrations.AddDiscloseClientToUsers do
+  use Ecto.Migration
+
+  def up do
+    alter table(:users) do
+      add(:disclose_client, :boolean, default: true)
+    end
+  end
+
+  def down do
+    alter table(:users) do
+      remove(:disclose_client)
+    end
+  end
+end