(Feature) Add PR Template (#2212)

* create PULL_REQUEST_TEMPLATE.md

* Update checklist

* remove `documentation` from checklist

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,39 @@
+<!--
+Thanks for your interest in the project. Bugs filed and PRs submitted are appreciated!
+
+This PR template was copied from https://github.com/testing-library/react-testing-library/blob/main/.github/PULL_REQUEST_TEMPLATE.md
+
+Please fill out the information below to expedite the review and (hopefully)
+merge of your pull request!
+-->
+
+<!-- What changes are being made? (What feature/bug is being fixed here?) -->
+
+**What**:
+
+<!-- Why are these changes necessary? -->
+
+**Why**:
+
+<!-- How were these changes implemented? -->
+
+**How**:
+
+<!-- Have you done all of these things?  -->
+
+**How to test it**:
+
+<!-- If applicable, add the steps to test your changes -->
+
+**Checklist**:
+
+<!-- add "N/A" to the end of each line that's irrelevant to your changes -->
+
+<!-- to check an item, place an "x" in the box like so: "- [x] Documentation" -->
+
+- [ ] Tests added/updated
+- [ ] TypeScript definitions updated
+- [ ] Ready to be merged
+      <!-- In your opinion, is this ready to be merged as soon as it's reviewed? -->
+
+<!-- feel free to add additional comments -->