i recently ask you to made pos web based for bakeshop so our proffesor ask us to remove the create account. give an account for cashier, owner and admin. in cashier only the pos will show. and the other features are for owner and cashier. add to the account management the create account and the account management will only be open by owner and admin. make it php,html,css that can be open in visual code. add the add update delete in products