add: template setting model

app/models/template_message_setting.rb

@@ -0,0 +1,21 @@
+# == Schema Information
+#
+# Table name: template_message_settings
+#
+#  id                    :integer          not null, primary key
+#  type                  :string(255)
+#  name                  :string(255)
+#  key                   :string(255)
+#  openning              :boolean
+#  notification_disabled :boolean
+#  email_disabled        :boolean
+#  created_at            :datetime         not null
+#  updated_at            :datetime         not null
+#
+
+class TemplateMessageSetting < ApplicationRecord
+
+  def self.build_init_data
+    
+  end
+end