Add multi-return for snow simulation (#348)

* Make updates to multi-return and snow simulation.

* Remove not used include.

* Update LiDAR prefabs to new multi-return.

* Add updated RGL binary.

* Fix RGL binary.

* Change default setting of LiDAR divergence.

* Update documentation on multi-return.

* Make changes based on review.

* Update RGL binaries (#351)

* Update RGL Linux binary

* Update RGL Windows binary

---------

Signed-off-by: Paweł Liberadzki <pawel.liberadzki@robotec.ai>
Co-authored-by: Mateusz Szczygielski <112629916+msz-rai@users.noreply.github.com>

Assets/RGLUnityPlugin/Scripts/LidarSnowManager.cs

@@ -29,9 +29,10 @@ public class LidarSnowManager : MonoBehaviour
         public delegate void OnNewConfigDelegate();
         public OnNewConfigDelegate OnNewConfig;
 
+        [field: Header("Base Settings")]
+
         [field: SerializeField]
-        [field: Tooltip("Enable/disable snow effect on devices.r")]
-        public bool IsSnowEnabled { get;  set; } = false;
+        public bool IsSnowEnabled { get; private set; } = false;
 
         // Snow model properties
         [field: SerializeField]