showCommands method
Show them, jus in rows.
Implementation
void showCommands(Map<String, String> _commandM) {
print(' * * * COMMAND-GALLERY * * * ');
for (var x in _commandM.keys) {
// TODO NullSafe howTo
// String vS = _commandM[x];
// hklTry: .toString yep NullSafe
String vS = _commandM[x].toString();
print(' $x :: $vS');
}
print(' * * * COMMAND-GALLERY done * * * \n');
}