docs: Update the communication document for this IMU topic

Author: SzymonParapura

docs/developer_guide/Communication.md

@@ -36,6 +36,7 @@
 | `/perception/object_recognition/ground_truth/objects`            | [`autoware_auto_perception_msgs/msg/TrackedObjects`](https://github.com/tier4/autoware_auto_msgs/blob/tier4/main/autoware_auto_perception_msgs/msg/TrackedObjects.idl)         | [Simulated by simple_sensor_simulator](https://tier4.github.io/scenario_simulator_v2-docs/developer_guide/SimpleSensorSimulator/#object-detection-results-simulation) |
 | `/perception/obstacle_segmentation/pointcloud`                   | [`sensor_msgs/msg/PointCloud2`](https://github.com/ros2/common_interfaces/blob/master/sensor_msgs/msg/PointCloud2.msg)                                                         | [Simulated by simple_sensor_simulator](https://tier4.github.io/scenario_simulator_v2-docs/developer_guide/SimpleSensorSimulator/#lidar-simulation)                    |
 | `/perception/occupancy_grid_map/map`                             | [`nav_msgs/msg/OccupancyGrid`](https://github.com/ros2/common_interfaces/blob/master/nav_msgs/msg/OccupancyGrid.msg)                                                           | [Simulated by simple_sensor_simulator](https://tier4.github.io/scenario_simulator_v2-docs/developer_guide/SimpleSensorSimulator/#occupancy-grid-sensor-simulation)    |
+| `/sensing/imu/imu_data`                                  | [`sensor_msgs/msg/Imu`](https://github.com/ros2/common_interfaces/blob/master/sensor_msgs/msg/Imu.msg)                                                                     |                                                                                                                                                                       |
 | `/perception/traffic_light_recognition/traffic_signals`          | [`autoware_auto_perception_msgs/msg/TrafficSignalArray`](https://github.com/tier4/autoware_auto_msgs/blob/tier4/main/autoware_auto_perception_msgs/msg/TrafficSignalArray.idl) | for `architecture_type` equal to `awf/universe`                                                                                                                       |
 | `/perception/traffic_light_recognition/internal/traffic_signals` | [`autoware_perception_msgs/msg/TrafficSignalArray`](https://github.com/autowarefoundation/autoware_msgs/blob/main/autoware_perception_msgs/msg/TrafficSignalArray.msg)         | for `architecture_type` greater or equal to `awf/universe/20230906`                                                                                                   |
 | `/perception/traffic_light_recognition/external/traffic_signals` | [`autoware_perception_msgs/msg/TrafficSignalArray`](https://github.com/autowarefoundation/autoware_msgs/blob/main/autoware_perception_msgs/msg/TrafficSignalArray.msg)         |                                                                                                                                                                       |