Merge pull request #93 from eteq/add-committer-emails

Add standard commit rights blurb

Author: astrofrog

messages/README.md

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+This directory holds emails or similar repeated "forms" that are part of some Astropy-specific process, e.g., emails to people with new roles.

messages/core_write_access.md

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+Hello {NAME},
+
+{some information about why they are getting access now}
+
+You can see the formal description of the subpackage maintainers role at http://www.astropy.org/team.html.  But there are some other guidelines to keep in mind, which I'm describing here.  In general you should only merge PRs that are in the domain of your subpackage(s).  This is a guideline rather than a firm rule: if you see something that's straightforward and obvious (e.g., a minor typo fix that's already been approved and the tests have passed but no one hit the merge button), you should feel free to help with that sort of thing even in other packages. Similarly, in areas where there's conflict/uncertainty, it's best to seek consensus from multiple maintainers, or if absolutely necessary the Coordination Committee... but in cases where there's no obvious reason to question it (particularly if the lead is the PR author), it is also fine to merge things when it seems reasonable.
+
+Additionally, if you haven't already, you should familiarize yourself with the developer guidelines for Astropy: https://docs.astropy.org/en/latest/#developer-documentation, particularly the basic development workflow: https://docs.astropy.org/en/latest/development/workflow/development_workflow.html and the guidelines on when to squash or rebase: https://docs.astropy.org/en/latest/development/when_to_rebase.html. Please respond indicating you've seen these so we're sure you're aware of them.
+
+You should also feel free to help with labeling new PRs or issues as they come in - that's a task all of the subpackage maintainers share, since only people with write privileges can do it. You should also feel free to review other PRs throughout the package.  Don't feel at all shy about these tasks, even outside your subpackage(s) - the Project values such contributions from all!
+
+Finally, we ask that you confirm (in reply to this message) that you have read and agree to abide by the Astropy Project Code of Conduct: https://www.astropy.org/code_of_conduct.html.
+
+Congratulations, and thanks for your contributions!
+
+For the coordinating committee,
+{YOUR NAME}