printUsage method
Prints the usage information for this command.
This is called internally by run and can be overridden by subclasses to control how output is displayed or integrate with a logging system.
Implementation
@override
void printUsage() {
print('Create new DCFlight projects or modules\n');
print('Usage:');
print(' dcf create app Create a new DCFlight app');
print(' dcf create module Create a new DCFlight module');
print('\nExamples:');
print(' dcf create app');
print(' dcf create module');
}