docs: Updated the pull request template

.github/pull_request_template.md

@@ -0,0 +1,18 @@
+### Description
+<!-- What problem is this PR solving? -->
+
+### Alternatives Considered (Optional)
+<!-- What alternatives did you consider? Why did you choose this approach? -->
+
+### AI assistance (if any)
+<!-- Required if AI assistance was used to write or modify code in this PR. -->
+<!-- List tools here -->
+
+### Authorship & Understanding
+
+- [ ] I wrote or heavily modified this code myself. If I didn't, I gave proper attribution to AI assistance above.
+- [ ] I understand how it works end-to-end
+- [ ] I can maintain this code in the future
+- [ ] No undisclosed AI-generated code was used
+- [ ] If AI assistance was used, it is documented above
+