Added shortcuts

• Added:
- shortcuts functionality
- shortcuts route, controller, model
- shortcut error message for "exists"
- shortcut redux
- EditShortcutsModal, constant
- links to sidebar, sidebar_xs
- options to add/remove group, account in GroupOptionsPopover, ProfileOptionsPopover
- shortcuts page, feature/list

app/models/shortcut.rb

@@ -3,14 +3,25 @@
 #
 # Table name: shortcuts
 #
-#  id               :bigint(8)        not null, primary key
-#  account_id       :bigint(8)        not null
-#  shortcut_id      :bigint(8)        not null
-#  shortcut_type    :string           not null
-#  created_at       :datetime         not null
-#  updated_at       :datetime
+#  id            :bigint(8)        not null, primary key
+#  created_at    :datetime         not null
+#  updated_at    :datetime         not null
+#  account_id    :bigint(8)        not null
+#  shortcut_id   :bigint(8)        not null
+#  shortcut_type :string           default(""), not null
 #
 
 class Shortcut < ApplicationRecord
-  
+  # enum shortcut_type: {
+  #   account: 'account', 
+  #   group: 'group'
+  # }
+
+  belongs_to :account
+
+  PER_ACCOUNT_LIMIT = 50
+
+  validates_each :account_id, on: :create do |record, _attr, value|
+    record.errors.add(:base, I18n.t('shortcuts.errors.limit')) if Shortcut.where(account_id: value).count >= PER_ACCOUNT_LIMIT
+  end
 end