[Feature Request] nfc payment service

[AndreWohnsland]

As a machine owner, I want to have my bar and Cocktailberry in an automated way. I want my customers to be able to pay cocktails directly at Cocktailberry over nfc Chips.

AC

• new service handling nfc state and balance top up repo here
• nfc code support for professional (usb) nfc reader
• new config for payment service related things
  • opt in
  • endpoint data
  • nfc behavior, protection
  • pricing
• new attribute for cocktails: price
• new service manager in Cocktailberry
• v1 integration
• v2 integration
• documentation
  • clarify concept of "user" and how it is used
• option to lock/remove all other than maker tabs (might be 3.0.1+)
  • at program start prompt if want to go to settings -> navigate if (master) password was right.
• Configuration for virgin price multiplier
• Balance display after cocktail booking or preparation
• optional: Live display of balance after scan?
• Integration test for
  • existing installations
  • new setup v1
  • new setup v2
• Optimize Migration + v3.0.0 thingies
  • Remove very old migration scripts (pre v2)
  • Do not assume v1.0.0 if no version found but latest (this is in 99% the case)
  • Set version to current if no found
  • Update doc user Guide
• Option to mock NFC reader
• Option to mock Payment Service

optional:

• User info on not valid or unknown UID/card/chip

[AndreWohnsland]

Most features are merged via #431 into master and will be available in the v3.0.0 release. Missing features might be applied in an MR before or after release, depending on the complexity they will take.