Add files via upload

Author: Cheng20010201

priv/repo/migrations/20200320041525_add_collectibles.exs

@@ -0,0 +1,9 @@
+defmodule Cadet.Repo.Migrations.AddCollectibles do
+  use Ecto.Migration
+
+  def change do
+    alter table(:users) do
+      add( :collectibles, :map, default: %{})
+    end
+  end
+end