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/recipes/default.rb

@@ -0,0 +1,32 @@
+#
+# Cookbook:: kosmos_kvm
+# Recipe:: default
+#
+# The MIT License (MIT)
+#
+# Copyright:: 2020, Kosmos Developers
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+package 'virtinst'
+
+cookbook_file "/usr/local/sbin/create_vm" do
+  source "create_vm"
+  mode "0750"
+end