Build layer.

Runs steamcmd on debian:12.8-slim. Steamcmd is installed at /home/user/steamcmd/steamcmd.sh. Execute with su -c '/home/user/steamcmd/steamcmd.sh '

:bb built on maxhougas/basicbox:db -> debian:12.8-slim

:w64 built on maxhougas/basicbox:db and has wine64 installed (unfinished)

:w32 built on maxhougas/basicbox:db and has wine32 installed (unfinished)

:wn built on maxhougas/basicbox:db and has both wine32 and wine 64. (unfinished)