V3.0.3-stable

• fix bug
• update framework to 3.0

V2.2.0 - stable version

• update lidar driver software framework
• fix bug

V2.1.5 - stable version

Add new features:

1. Add the angle cropping function, you can configure the angle range that does not display the point cloud in the launch file;
2. Add the function of setting the laser scanning direction, which can be configured in the launch file;
3. Modify the values of "topic_name" and "frame_id"