[#75774040] adding new_holding_view_model
enhanced messaging for includedIn validation
[#75774040] working the new commodity transaction view model spec
[#75774040] adding details to new commodity transaction form
[#75774040] started adding save logic to new commodity transaction form
[#75774040] hide new commodity form with commodities summary
[#75774040] NewCommodityTransactionViewModel buys and sells, but still needs to refresh the UI
[#75774040] added lots to result for AccountsController#create_purchase
[#75774040] handle return value for commodity transaction create