Update the user event handler

When a user registers, find any credits associated with their email
address and attach them to their new account
Add the ability to find codes by email
Stylesheet updates
Working on showing the total price when booking
Update the amount field type during migration
Update the booking service in provider
Parse notes with Markdown
Creating from staff appt repo
Fix some issues with total preview
Add method to get amount due
Continuing to work on credits
Update the lock file