Add PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,33 @@
+<!--  Thanks for sending a pull request!  Here are some tips for you:
+
+- If this is your first time, please read our contributor guidelines: https://github.com/cncf-tags/green-reviews-tooling/blob/main/CONTRIBUTING.md
+- If you want *faster* PR reviews, read the Kubernetes Best Practices: https://git.k8s.io/community/contributors/guide/pull-requests.md#best-practices-for-faster-reviews
+-->
+
+#### What type of PR is this?
+
+<!--
+Add one of the following kinds:
+kind/bug
+kind/documentation
+kind/feature
+kind/enhancement
+-->
+
+#### What this PR does / why we need it:
+
+#### Which issue(s) this PR fixes:
+
+<!--
+*Automatically closes linked issue when PR is merged.
+Usage: `Fixes #<issue number>`, or `Fixes (paste link of issue)`.
+
+Fixes #
+
+or
+
+None
+-->
+
+#### Special notes for your reviewer (optional):
+