As a developer I would like to to better understand CAPIs guidelines for contrib folders. For example, if I wanted to contribute a yaml processor in order to extend clusterctl's templating.
In response to [this](https://github.com/kubernetes-sigs/cluster-api/issues/3074#issuecomment-654321755):
>/close
>Given that we are not using the contribs folder so far.
>We can always re-open/re-create if this be reconsidered in future
>
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User Story
As a developer I would like to to better understand CAPIs guidelines for
contrib
folders. For example, if I wanted to contribute a yaml processor in order to extend clusterctl's templating.Anything else you would like to add: Ref https://github.com/kubernetes-sigs/cluster-api/pull/3052
/kind feature /kind documentation