Implement game stats

[francisdb]

We could re-use the PinballY format

https://github.com/syd711/vpin-studio/blob/main/testsystem/vPinball/pinballY/GameStats.csv

Or the PinballX format
https://github.com/syd711/vpin-studio/blob/main/testsystem/vPinball/pinballX/Databases/Statistics.ini