Updated pull request template

Author: tisnik

.github/PULL_REQUEST_TEMPLATE.md

@@ -21,6 +21,13 @@
 - [ ] End to end tests improvement
 
 
+## Tools used to create PR
+
+Identify any AI code assistants used in this PR (for transparency and review context)
+
+- Assisted-by: (e.g., Claude, CodeRabbit, Ollama, etc., N/A if not used)
+- Generated by: (e.g., tool name and version; N/A if not used)
+
 ## Related Tickets & Documents
 
 - Related Issue #