rearrange order

Signed-off-by: Ian Chen <ichen@openrobotics.org>

Author: iche033

README.md

@@ -48,22 +48,22 @@ models into sensor streams.
 | **Sensor Name**           | **API Link**                                                                                                 | **SDF Element**                                                                                      | **Notes**                                          |
 |---------------------------|-------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------|----------------------------------------------------|
 | **Air Pressure Sensor**   | [AirPressureSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1AirPressureSensor.html)        | [`<air_pressure>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_air_pressure)                | Measures atmospheric pressure                      |
-| **Air Speed Sensor**      | [AirSpeedSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1AirSpeedSensor.html)              | *N/A*                                                                                    | Measures the speed of air relative to the sensor    |
+| **Air Speed Sensor**      | [AirSpeedSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1AirSpeedSensor.html)              | N/A                                                                                    | Measures the speed of air relative to the sensor    |
 | **Altimeter**             | [AltimeterSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1AltimeterSensor.html)            | [`<altimeter>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_altimeter)                      | Measures altitude above a reference point          |
 | **Bounding Box Camera**   | [BoundingBoxCameraSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1BoundingBoxCameraSensor.html) | [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera)                         | Captures images with bounding box annotations      |
 | **Camera**                | [CameraSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1CameraSensor.html)                  | [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera)                           | Captures standard RGB images                       |
 | **Depth Camera**          | [DepthCameraSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1DepthCameraSensor.html)        | [`<depth_camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#camera_depth_camera)              | Captures depth information                         |
-| **Doppler Velocity Log**  | [DopplerVelocityLog](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1DopplerVelocityLog.html)      | *N/A*                                | Measures relative velocity of an underwater vehicle |
+| **Doppler Velocity Log**  | [DopplerVelocityLog](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1DopplerVelocityLog.html)      | N/A                                | Measures relative velocity of an underwater vehicle |
 | **Force-Torque**          | [ForceTorqueSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1ForceTorqueSensor.html)        | [`<force_torque>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_force_torque)              | Measures forces and torques on a joint             |
 | **GPU Lidar**             | [GpuLidarSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1GpuLidarSensor.html)              | [`<lidar>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_lidar)                            | Simulates a 3D laser scanner using GPU acceleration|
 | **IMU**                   | [ImuSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1ImuSensor.html)                        | [`<imu>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_imu)                                | Measures linear acceleration and angular velocity  |
 | **Logical Camera**        | [LogicalCameraSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1LogicalCameraSensor.html)    | [`<logical_camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_logical_camera)          | Detects models within a specified volume           |
 | **Magnetometer**          | [MagnetometerSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1MagnetometerSensor.html)      | [`<magnetometer>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_magnetometer)              | Measures magnetic field strength and direction     |
 | **NavSat (GPS)**          | [NavSatSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1NavSatSensor.html)                  | [`<navsat>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_navsat)                          | Simulates GPS-like positioning sensor              |
 | **RGBD Camera**           | [RGBDCameraSensor](https://gazebosim.org/api/sensors/7/classgz_1_1sensors_1_1RgbdCameraSensor.html)          | [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera) | Captures RGB + Depth streams                       |
+| **Segmentation Camera**   | [SegmentationCameraSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1SegmentationCameraSensor.html) | [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera)              | Captures labeled segmentation images               |
 | **Thermal Camera**        | [ThermalCameraSensor](https://gazebosim.org/api/sensors/7/classgz_1_1sensors_1_1ThermalCameraSensor.html)    | [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera)                         | Detects heat signature                             |
 | **Wide Angle Camera**     | [WideAngleCameraSensor](https://gazebosim.org/api/sensors/8/classgz_1_1sensors_1_1WideAngleCameraSensor.html)| [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera)                         | Captures wide field of view                        |
-| **Segmentation Camera**   | [SegmentationCameraSensor](https://gazebosim.org/api/sensors/9/classgz_1_1sensors_1_1SegmentationCameraSensor.html) | [`<camera>`](http://sdformat.org/spec?ver=1.12&elem=sensor#sensor_camera)              | Captures labeled segmentation images               |
 
 # Install