Merge pull request #401 from cmu-delphi/remove-auto-review-requests

Disable auto review assignment, add PR template

Author: brookslogan

.github/CODEOWNERS

@@ -0,0 +1,16 @@
+### Checklist
+
+Please:
+- [ ] Make sure this PR is against "dev", not "main".
+- [ ] Request a review from one of the current epiprocess main reviewers:
+      brookslogan, nmdefries.
+- [ ] Describe changes made in NEWS.md, making sure breaking changes
+      (backwards-incompatible changes to the documented interface) are noted.
+      The right location for this may be in flux (see
+      [here](https://github.com/cmu-delphi/epiprocess/pull/398)).
+
+### Change explanations for reviewer
+
+### Magic GitHub syntax to mark associated Issue(s) as resolved when this is merged into the default branch
+
+- Resolves #{issue number}