maint: add PR template

Author: wolfy1339

.github/pull_request_template.md

@@ -0,0 +1,34 @@
+<!-- Please refer to our contributing docs for any questions on submitting a pull request -->
+<!-- Issues are required for both bug fixes and features. -->
+
+Resolves #ISSUE_NUMBER
+
+---
+
+### Before the change?
+
+<!-- Please describe the current behavior that you are modifying. -->
+
+-
+
+### After the change?
+
+<!-- Please describe the behavior or changes that are being added by this PR. -->
+
+-
+
+### Pull request checklist
+
+- [ ] Tests for the changes have been added (for bug fixes / features)
+- [ ] Docs have been reviewed and added / updated if needed (for bug fixes / features)
+
+### Does this introduce a breaking change?
+
+<!-- If this introduces a breaking change make sure to note it here any what the impact might be -->
+
+Please see our docs on [breaking changes](https://github.com/octokit/.github/blob/master/community/breaking_changes.md) to help!
+
+- [ ] Yes
+- [ ] No
+
+---