added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/app/models/weather.rb

@@ -0,0 +1,5 @@
+class Weather < ActiveRecord::Base
+  validates :date, uniqueness: {scope: :position_id}
+  # NOTE: if we want to enforce presence, modify spec factory instead
+  belongs_to :position, optional: true
+end