simple yaml formatter

[afcollins]

Type of change

• Bug fix
• Optimization

Description

Adds a Makefile targets for linting and formatting yaml files.

Two manual changes to be formatter compatible:

1. Quote '{{}}' templates
2. Add space after comments

Checklist before requesting a review

• I have performed a self-review of my code.
• If it is a core feature, I have added thorough tests.

Testing

• Please describe the System Under Test.
• Please provide detailed steps to perform tests related to this code change.
• How were the fix/results from this change verified? Please provide relevant screenshots or results.

[openshift-ci]

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