Merge pull request #1407 from rolandtyler/Update-PR-template

Create PR template with documentation section

.github/pull_request_template.md

@@ -0,0 +1,16 @@
+<!-- Thanks for sending a pull request! Please check out our contribution guidelines: -->
+<!-- https://github.com/ConsenSys/tessera/blob/master/.github/CONTRIBUTING.md -->
+
+## PR Description
+
+## Fixed Issue(s)
+<!-- Please link to fixed issue(s) here using format: fixes #<issue number> -->
+<!-- Example: "fixes #2" -->
+
+## Documentation
+
+- [ ] I thought about documentation and added the `doc-change-required` label to this PR if updates are required.
+
+## Changelog
+
+- [ ] I thought about adding a changelog entry, and added one if I deemed necessary.