WIP: format all YAML consistently as k8s yaml

[tuminoid]

This PR formats all YAML files (*.yaml, *.yml) by the k8s YAML
formatting style. Ie. no indentation for lists, removing leading ---
for multi-document YAML files (it is not necessary) etc.

Similar PR is made in every repository for Metal3.

Signed-off-by: Tuomo Tanskanen tuomo.tanskanen@est.tech

[metal3-io-bot]

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[tuminoid]

Otherwise OK, but not fond of the unexpected formatting with the long descriptions.

[tuminoid]

To be done on a later date, if a satisfying solution to formatting is found. For now,

/close

[metal3-io-bot]

@tuminoid: Closed this PR.

In response to this:

To be done on a later date, if a satisfying solution to formatting is found. For now,

/close

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