This adds a basic helm-toolkit snippet template for adding
kubernetes liveness and readiness probes to a container. This adds
flexibility by defining the probes contents via values overrides
wholesale
Change-Id: I0862ae59c87b8c0c4e2412030b1801bceb3e3c99
Signed-off-by: Pete Birley <pete@port.direct>
b7e2d6839c