This project is created on google drive and include spreadsheet including google form spreadsheet.The user will receive email for reciept of his shipping and below i am giving you my form webaddress . enjoy it https://docs.google.com/forms/d/1Sao46zRNRcH7XQSGt9U32zj9pOAM2NGhZpS3hTql0N0/viewform
To setup this you need to create Google form and your categories spreadsheet and then go to google form response spreadsheet and then click to Tool>script editor menu and then paste the code and enjoy it :)