chore: improve PR template text

Author: nbbeeken

.github/pull_request_template.md

@@ -1,5 +1,30 @@
-## Description
+### Description
 
-**What changed?**
+#### What is changing?
 
-**Are there any files to ignore?**
+#### Why does this need changes? Bug? or Feature?
+
+##### 🙁 Actual behavior
+
+<!-- What happened, and why it was wrong -->
+
+##### 🙂 Expected behavior
+
+<!-- What you expected to happen instead, and why -->
+
+<!--
+Contributors!
+First of all, thank you so much!!
+If you haven't already, it would greatly help the team review this work in a timely manner if you create a JIRA ticket to track this PR.
+You can do that here: https://jira.mongodb.org/projects/NODE
+-->
+
+### Double check the following
+
+- [ ] Completed self-review using the [steps outlined here](https://github.com/mongodb/node-mongodb-native/blob/HEAD/CONTRIBUTING.md#reviewer-guidelines)?
+- [ ] Does the PR title follow the correct format? e.g: `<type>(NODE-xxxx)<!>: <description>`
+- [ ] Are the changes sufficiently covered by new or existing tests?
+- [ ] If there are new TODOs, has a related JIRA ticket been created?
+- [ ] Are symbols correctly marked as internal or public?
+- [ ] Do the Typescript types correspond to expected runtime usage?
+- [ ] Do the changes need updated documentation?