Hi,
That totally makes sense, or at least to create VM templates for those VMs.
I don't have any ESXi templates at hand but a quick search on github found me these that looks right:
If you start by getting them to run on your system, and if you have access to VMware Workstation/Fusion it can be simpler to start without the remote part (ESXi). After you have those running I think you can easily fork them and change to Atomic instead.
When you got started and stumble on something. Just send a follow up message.
// Rickard