doc/tutorial/kubernetes
doc/tutorial/kubernetes

Update Kubernetes tutorial.

Fixes #31.

Change-Id: Ie6515dcdb61cc0aab59f20097f8e68317bc07d28
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/1842
Reviewed-by: Marcel van Lohuizen <a22d082192f3ccf984644a4f482781f4c2d65180@google.com>

cuelang/cue