docs: update PR template with contributor info and star request

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,14 +1,35 @@
-## What does this PR do?
+## What type of PR is this?
 
-<!-- Describe the change -->
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Documentation
+- [ ] Refactoring
+- [ ] CI/Build
 
-## Related issues
+## Description
 
-<!-- Link related issues: Fixes #, Relates to # -->
+<!-- Describe your changes -->
+
+## Related Issue
+
+<!-- Link to related issue: Fixes #123 or Ref #123 -->
 
 ## Checklist
 
 - [ ] Tests added/updated
+- [ ] Documentation updated (if applicable)
 - [ ] `make test` passes
 - [ ] `make lint` passes
-- [ ] Commits signed off (DCO)
+- [ ] Commits are signed off (`git commit -s`)
+
+## Contributor Info
+
+<!-- We recognize all contributors in CONTRIBUTORS.md and on the project page.
+     Please fill in what you're comfortable sharing so we can properly credit you. -->
+
+- **Name:**
+- **Location:** <!-- optional -->
+- **Company / Affiliation:** <!-- optional -->
+
+<!-- First-time contributor? A ⭐ on the repo helps other contributors discover the project! -->
+- [ ] I have starred the [gpu-mcp-server](https://github.com/pmady/gpu-mcp-server) repository