Add a pull request template

.github/pull_request_template.md

@@ -0,0 +1,19 @@
+<!--  Thanks for sending a pull request!  Before submitting:
+
+1. Read our CONTRIBUTING.md guide
+2. Name your PR as `<Feature Area>: Describe your change`
+3. Rebase your PR if it gets out of sync with master
+4. If changing the Helm chart, please ensure the chart version is increased per semantic versioning (https://semver.org)
+-->
+
+**What this PR does / why we need it**:
+
+**Which issue(s) this PR fixes**:
+Fixes #<issue number>
+
+**Special notes for your reviewer**:
+
+**Checklist**
+- [ ] Documentation added
+- [ ] Tests updated
+