Lock Timer Update

Just in time for HushCon this year, I released a new version of the Lock Timer app. This is the first major update of the app since I built my original set of lock stands back in 2017. Changes include:

Added single-player modeAdded maximum time supportMade the UI layout support non-standard resolutionsUpdated code to support Python 3.9.xUpdated code to support GuiZero 1.5.0

Enjoy! Let me know if you build your own timer game!