Release Note - Add On & More V80

This is a release note for add-on features, such as Online Ordering, Tablet Ordering, QR Ordering, etc. Please refer to other release notes for POS and BO.

Improvement

1. Self Ordering -- added support for 'Request Signature' setting on Kiosk and iPad Self-Ordering.
2. Self Ordering -- Added 'Confirm' button to iPad for specific pop-up scenarios to enhance user interaction.
3. Self Ordering -- Updated Kiosk to disallow partial payments using credit cards.