feat: Business hours

Data models and APIs for business hours

ref: #234

app/controllers/api/v1/accounts/inboxes_controller.rb

@@ -80,6 +80,7 @@ class Api::V1::Accounts::InboxesController < Api::V1::Accounts::BaseController
 
   def inbox_update_params
     params.permit(:enable_auto_assignment, :name, :avatar, :greeting_message, :greeting_enabled,
+                  :working_hours_enabled, :out_of_office_message,
                   channel: [
                     :website_url,
                     :widget_color,

app/controllers/api/v1/accounts/working_hours_controller.rb

@@ -0,0 +1,18 @@
+class Api::V1::Accounts::WorkingHoursController < Api::V1::Accounts::BaseController
+  before_action :check_authorization
+  before_action :fetch_webhook, only: [:update]
+
+  def update
+    @working_hour.update!(working_hour_params)
+  end
+
+  private
+
+  def working_hour_params
+    params.require(:working_hour).permit(:inbox_id, :open_hour, :open_minutes, :close_hour, :close_minutes, :closed_all_day)
+  end
+
+  def fetch_working_hour
+    @working_hour = Current.account.working_hours.find(params[:id])
+  end
+end