Add RELEASE.md (#56520)
Summary:
The purpopse of this document is to outline our current release process
so that users coming into the project have a better idea on how the
actual release process works and how they can help contribute to it.
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/56520
Reviewed By: janeyx99
Differential Revision: D27890571
Pulled By: seemethere
fbshipit-source-id: 882a565ea8d9b9a46c9242be7cf79dede2bae63f