* Move examples ahead of commands that use them
In support of https://github.com/kubernetes/website/issues/12740
The aim is to adopt a consistent style around providing downloadable
examples for use with kubectl, etc.
* Tweak wording for stateful app pod example
* Adopt formatting conventions for code blocks
* Move ReplicationController sample YAML to examples
In aid of https://github.com/kubernetes/website/issues/12740
* Move PodDisruptionBudget sample YAML to examples
In aid of https://github.com/kubernetes/website/issues/12740
* Update test schema for new examples
* Use Unicode ellipsis in example
Aim here is to make the elision more obvious
Tim Bannister