Deploy a script to create new VMs

It uses `virt-install` with the official Ubuntu 20.04 cloud image as a
starting point, with cloud-init to add our SSH keys to the ubuntu user
and set up Zerotier.

USAGE: create_vm VMNAME

Closes #244

site-cookbooks/kosmos_kvm/CHANGELOG.md

@@ -0,0 +1,5 @@
+# kosmos_kvm CHANGELOG
+
+# 0.1.0
+
+Initial release.