adjust templates, add timezone and locale

app/models/account.rb

@@ -5,7 +5,9 @@
 # Table name: accounts
 #
 #  id         :bigint           not null, primary key
+#  locale     :string           not null
 #  name       :string           not null
+#  timezone   :string           not null
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
 #
@@ -15,4 +17,7 @@ class Account < ApplicationRecord
   has_many :templates, dependent: :destroy
   has_many :active_users, -> { active }, dependent: :destroy,
                                          inverse_of: :account, class_name: 'User'
+
+  attribute :timezone, :string, default: 'UTC'
+  attribute :locale, :string, default: 'en-US'
 end