Add a new LiDAR model

• Update LidarModels.cs (description, screen)
• Update LaserArrayLibrary.cs (description, using LaserArray.Uniform() to generate a array, screens)
• Update LidarConfigurationLibrary.cs (description, adding the generated array, screen)
• Create a prefab (screen)
  • Add a Lidar Sensor Script
  • Add a Rgl Lidar Publisher Script
  • Add a Point Cloud Visualization Script
• How to test - video (hyperlink to 5.2)