Add custom_data column to paper_trail versions table so we can track a specific list of ids in a model

Activate paper_trail in order_cycles and schedules and track each others ids

An alternative way of doing this would be to use a gem for paper_trail associations but this way we avoid adding a new dependency to the app

db/migrate/20191202165700_add_custom_data_to_versions.rb

@@ -0,0 +1,5 @@
+class AddCustomDataToVersions < ActiveRecord::Migration
+  def change
+    add_column :versions, :custom_data, :string
+  end
+end

db/schema.rb

@@ -1202,6 +1202,7 @@ ActiveRecord::Schema.define(:version => 20191023172424) do
     t.string   "whodunnit"
     t.text     "object"
     t.datetime "created_at"
+    t.string   "custom_data"
   end
 
   add_index "versions", ["item_type", "item_id"], :name => "index_versions_on_item_type_and_item_id"