Add PR template

Author: buddhisthead

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,42 @@
+# Pull Request Title
+<!--
+Use a short, descriptive title:
+Example: `node: fix crash when config is absent`
+-->
+
+## Description
+<!--
+Describe what this PR does and why. Keep it concise but include enough context
+for reviewers who are not familiar with the area.
+-->
+
+## Related Issue(s)
+<!--
+Link any related issues, e.g. `Fixes #123` or `Relates to #456`.
+-->
+
+## How was this tested?
+<!--
+Describe the tests that you ran to verify your changes. Include instructions
+so reviewers can reproduce. Examples:
+- unit tests (command)
+- integration tests (how to run)
+- manual steps
+-->
+
+## Checklist
+- [ ] My code builds and passes local tests
+- [ ] I added/updated tests for my changes, where applicable
+- [ ] I updated documentation (if applicable)
+- [ ] CI is green for this PR
+
+## Impact / Side effects
+<!--
+Describe any potential side effects, e.g. performance, compatibility, or security concerns.
+If the PR introduces a breaking change, explain migration steps for users.
+-->
+
+## Reviewer notes / Areas to focus
+<!--
+If you want specific feedback, list files/functions to review or aspects you are unsure about.
+-->