Version 6.0.9 is ready

This release brings only fixed bugs for stable release. Binaries are available for Linux and Windows (both 64-bit). For more info how to use AppImage on Linux, please see: https://docs.appimage.org/user-guide/run-appimages.html. Below are changes since the last stable release:

Fixed

• Pressing space key after starting a new game starts it again
• Pressing space key after back to the map, refreshing it