add order and reservation, quick service in lookups and add date and order by in order reservation

app/models/order_reservation.rb

@@ -7,6 +7,8 @@ class OrderReservation < ApplicationRecord
 	has_many :order_reservation_items
 	belongs_to :delivery
 
+	scope :latest_order, -> { order("order_reservation_id desc, requested_time asc") }
+
 	SEND_TO_KITCHEN = "send_to_kitchen"
 	READY_TO_DELIVERY = "ready_to_deliver"
 	DELIVERED = "delivered"