Add PyPI admin usernames to new project playbook (#60)

Author: tim-schilling

README.md

@@ -108,7 +108,7 @@ Assuming the repository name is `repo-name`:
 - [ ] Confirm who will be the admins and maintainers for the repository
 - [ ] Make sure the there are no teams `{repo-name}`, `{repo-name}-admins` and `{repo-name}-committers` in the Django
   Commons organization. Teams can be viewed [here][teams]. The teams will be created by the terraform apply process.
-- [ ] (project owner) PyPI project owner must add the Django Commons PyPI Admins as owners in [PyPI][pypi],
+- [ ] (project owner) PyPI project owner must add the Django Commons PyPI Admins (`cunla`, `stormheg`) as owners in [PyPI][pypi],
   and [test-pypi][test-pypi]
 - [ ] [Add repository owner to Django Commons as member](#new-member-playbook) (they'll be added to a team later)
 - [ ] (project owner) Transfer the existing repository to the Django Commons organization using the GitHub UI, so old