Add code to participants

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

priv/repo/migrations/20211013090405_add_code_to_participants.exs

@@ -0,0 +1,9 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddCodeToParticipants do
+  use Ecto.Migration
+
+  def change do
+    alter table(:participants) do
+      add(:code, :string)
+    end
+  end
+end