chore: Add PR template

.github/pull_request_template.md

@@ -0,0 +1,20 @@
+## Card
+<!-- Link to the card here -->
+
+## What this PR does...
+
+<!-- List out the work you have done, in bullet form. Tell us why it is important. -->
+
+<!-- Ex: This PR fixes #999. We didn't have a unicorn, so we went to the unicorn store and got one. -->
+
+
+## How to test...
+
+<!-- In a list format, tell us how to test this PR.
+1. Navigate to https://example.com/cats
+2. Click on magic button
+- See coolest cat -->
+
+## I learned...
+
+<!-- Did you run into any interesting issues while making this PR? If you learned anything you would like to share, we'd love to know! Even if it is a fun fact or GIF! -->