Root command for Quarkus picocli example

QdmCommand.java

package net.quarkify.qdm;

import io.quarkus.picocli.runtime.annotations.TopCommand;

import static picocli.CommandLine.Command;

@TopCommand
@Command(mixinStandardHelpOptions = true,
        version = "1.0.0"
)
public class QdmCommand implements Runnable {
    @Override
    public void run() {
    }
}