[GPS mileage expenses][Release 1] - Create Onyx object to store GPS state

[GCyganek]

Part of the GPS mileage expenses project - Release 1

Main issue: #73261
Doc section: Design doc section - Create Onyx object to store GPS state

[melvin-bot]

@AndrewGable, @GCyganek, @dukenv0307 Uh oh! This issue is overdue by 2 days. Don't forget to update your issues!

[melvin-bot]

@AndrewGable, @GCyganek, @dukenv0307 6 days overdue. This is scarier than being forced to listen to Vogon poetry!

[melvin-bot]

@AndrewGable, @GCyganek, @dukenv0307 8 days overdue is a lot. Should this be a Weekly issue? If so, feel free to change it!