Add pull request template

.github/pull_request_template.md

@@ -0,0 +1,32 @@
+[ABC-1234](https://toptal-core.atlassian.net/browse/ABC-1234)
+
+### Description
+
+Describe the changes and motivations for the pull request, unless obvious from the title.
+
+[Designs](https://share.abstract.com) (if applicable)
+
+### How to test
+
+- `yarn`
+- FIXME: Add the steps describing how to test your changes manually
+
+### Environment variables
+
+Include a snapshot of the ENV vars used in your local env when this PR was created.
+```
+PUBLIC_ENV_VAR=public-value
+GLOBAL_SECRET_ENV_VAR=xxx # Added in 1Password in Shared-Utilities-Environment group
+OWN_PRIVATE_ENV_VAR # Different for everyone
+```
+
+### Acceptance Criteria
+
+- [ ] Add acceptance criterias from Jira task [ABC-1234]
+
+### Pre-merge checklist
+
+- [ ] The PR relates to a single subject with a clear title and description in grammatically correct, complete sentences.
+- [ ] Verify that feature branch is up-to-date with `master` (if not - rebase it).
+- [ ] Double check the quality of [commit messages](http://chris.beams.io/posts/git-commit/).
+- [ ] A snapshot of the author's env vars has been added