As defined in `kustomize config docs-fn-spec`, configuration functions can be
implemented using any toolchain and invoked using any container workflow orchestrator
(e.g. Tekton, Cloud Build) or run directly using docker run.
functions-impl describes using `kustomize config run` as an example
orchestrator for invoking configuration functions.
make all (generate docs)
Update examples in cmd docs.
make all (generate docs)
functions/examples: Whitespace cleanup.
functions/examples: Fix some example commands.
