add out of stock

app/controllers/api/restaurant/out_of_stock_controller.rb

@@ -0,0 +1,8 @@
+class Api::Restaurant::OutOfStockController < Api::ApiController
+  skip_before_action  :authenticate
+
+  def index
+    date = params[:date]
+    @out_of_stock = OutOfStock.where("DATE(date) = ?", date)
+  end
+end