attempt to pass link as the others

Signed-off-by: M. Fatih Cırıt <mfc@leodrive.ai>

Author: M. Fatih Cırıt

planning/.pages

@@ -76,6 +76,9 @@ nav:
     - 'RTC Interface': planning/rtc_interface
   - 'Additional Tools':
     - 'RTC Replayer': planning/rtc_replayer
+    - 'Planning Debug Tools':
+      - 'About Planning Debug Tools': https://github.com/autowarefoundation/autoware_tools/tree/main/planning_debug_tools
+      - 'Stop Reason Visualizer': https://github.com/autowarefoundation/autoware_tools/tree/main/planning_debug_tools/doc-stop-reason-visualizer
     - 'Planning Test Utils': planning/planning_test_utils
     - 'Planning Topic Converter': planning/planning_topic_converter
     - 'Planning Validator': planning/planning_validator