IsTodayHoliday

Simple Lambda function that checks a DynamoDB table for two variables: holidayDate and holidayDetails.     The function checks to days date with the date of the holidays listed in the DynamoDB table as "holidayDate" in format dd/mm/yyyy (i.e. 16/11/2022.   If a match is found, the function returns "true" + content of the variable "holidayDetails" which can be the "holiday greeting" that you can use in the (play prompt) contact step.