Add example usage

dspawn/__init__.py

@@ -4,6 +4,9 @@ machinectl aimed at debootstrap compatible distributions, with the folowing
 features: authorizes ssh keys in container, caches deboostrap models for fast
 container creations, support various network configurations, uses apt-cacher-ng
 if available, and more (note: for zone network setup, please systemctl enable
-systemd-networkd)"""
+systemd-networkd)
+
+Example usage: dspawn create bar.foo; ssh roo@bar.foo
+"""
 
 __version__ = '0.11'