feat: add pull request template #33

Author: heitorlessa

Diff for: .github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,21 @@
+**Issue #, if available:**
+
+## Description of changes:
+
+> One or two sentences as a summary of what's being changed
+
+* [ ] [Meet tenets criteria](https://awslabs.github.io/aws-lambda-powertools-python/#tenets)
+* [ ] Update tests
+* [ ] Update docs
+* [ ] PR title follows [conventional commit semantics](https://github.com/awslabs/aws-lambda-powertools-python/blob/376ec0a2ac0d2a40e0af5717bef42ff84ca0d1b9/.github/semantic.yml#L2)
+
+## Breaking change checklist
+
+> Ignore if it's not a breaking change
+
+**RFC issue #**:
+
+* [ ] Migration process documented
+* [ ] Implement warnings (if it can live side by side)
+
+By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.