Support forcing the order of rooms in the schedule

db/migrate/20200716181602_add_order_to_rooms.rb

@@ -0,0 +1,5 @@
+class AddOrderToRooms < ActiveRecord::Migration[5.2]
+  def change
+    add_column :rooms, :order, :int
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_07_15_034647) do
+ActiveRecord::Schema.define(version: 2020_07_16_181602) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -408,6 +408,7 @@ ActiveRecord::Schema.define(version: 2020_07_15_034647) do
     t.integer "size"
     t.integer "venue_id", null: false
     t.text "url"
+    t.integer "order"
   end
 
   create_table "schedules", force: :cascade do |t|