* Update org in reference repo
This threw me off in #194352 -- I was not familiar with the original repo owner so I assumed this info was stale. The link now redirects to the REditorSupport org, but having the correct source in the plain text is still preferable for human readers.
* Update template generation source
* Update R repo in cgmanifest
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Co-authored-by: Alex Ross <alros@microsoft.com>