Changes to List stores

added the optional property data/items/schedule/availableAtPeriods to the response with the 200 status

added the optional property data/items/schedule/specialPeriods to the response with the 200 status

added the optional property data/items/schedule/timezone to the response with the 200 status

the response property data/items/schedule/openPeriods/items/daysOfWeek became required for the status 200

the response property data/items/schedule/openPeriods/items/fromMinute became required for the status 200

the response property data/items/schedule/openPeriods/items/toMinute became required for the status 200

added the optional property data/items/timezone to the response with the 200 status

endpoint added