Migrate kpromo/cip-mm tools/packages into repo

[justaugustus]

What type of PR is this?

/kind cleanup feature

What this PR does / why we need it:

Migrate kpromo/cip-mm tools/packages from k/release at 62b128c2
Unifying tooling in support of automated file promotion: kubernetes/k8s.io#2624
Follow-up to kubernetes/release#2232.

Signed-off-by: Stephen Augustus foo@auggie.dev

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Migrate kpromo/cip-mm tools/packages from k/release at 62b128c2

[k8s-ci-robot]

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[justaugustus]

(There is a bit of link cleanup to do and some image building cleanup, so leaving this as WIP for the moment.)

[justaugustus]

(There is a bit of link cleanup to do and some image building cleanup, so leaving this as WIP for the moment.)

Links are actually all good.
Since this is a large PR already, I'm going to opt to take the image building cleanup as a follow-up.

/assign @ameukam @puerco @saschagrunert @cpanato
cc: @kubernetes-sigs/release-engineering

[puerco]

OK, I'm really rubber-stamping this as it is a repo migration but I already see some areas where we could SIG-Release-e-fy the code already.
/lgtm

[justaugustus]

OK, I'm really rubber-stamping this as it is a repo migration but I already see some areas where we could SIG-Release-e-fy the code already.
/lgtm

Absolutely! I'm going to do some follow-up in a bit :)
...just didn't want the diff to be too crazy