added release comments manually

[balopat]

PR [ 2 / 3] breaking down #2917.
Related to #2775.

Description

Adds the comments on config.go files whether they are safe or not safe to modify.

User facing changes

n/a

Next PRs.

• (6 files) the new comment management logic and hooking it up to release and new_config

Submitter Checklist

These are the criteria that every PR should meet, please check them off as you
review them:

• Includes unit tests
• Mentions any output changes.
• Adds documentation as needed: user docs, YAML reference, CLI reference.
• Adds integration tests if needed.

Reviewer Notes

• [] The code flow looks good.
• [] Unit test added.
• [] User facing changes look good.

[codecov]

Codecov Report

Merging #2931 into master will not change coverage.
The diff coverage is n/a.

Impacted Files	Coverage Δ
pkg/skaffold/schema/v1alpha5/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta1/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta12/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta2/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta8/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta3/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta7/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta9/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/v1beta14/config.go	100% <ø> (ø)	⬆️
pkg/skaffold/schema/latest/config.go	100% <ø> (ø)	⬆️
... and 10 more