add parameters for turn signal activation

Signed-off-by: mitukou1109 <[email protected]>

autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/path_generator.param.yaml

@@ -1,9 +1,14 @@
 /**:
   ros__parameters:
     planning_hz: 10.0
-    backward_path_length: 5.0
-    forward_path_length: 300.0
-    waypoint_group_separation_threshold: 1.0
-    waypoint_group_interval_margin_ratio: 10.0
-    turn_signal_search_time: 3.0
-    turn_signal_search_distance: 30.0
+    path_length:
+      backward: 5.0
+      forward: 300.0
+    waypoint_group:
+      separation_threshold: 1.0
+      interval_margin_ratio: 10.0
+    turn_signal:
+      search_time: 3.0
+      search_distance: 30.0
+      resampling_interval: 1.0
+      angle_threshold_deg: 15.0