Add Sensors to Leo Rover for Autonomy Testing

[mrinalTheCoder]

Description

Add simulated LiDAR, IMU, GPS to Leo Rover for autonomy testing,

LiDAR - SICK multiscan 100
IMU - VectorNav VN-100
GPS - Anything is fine

[mrinalTheCoder]

Useful tutorials:
https://gazebosim.org/docs/fortress/sensors/
https://github.com/gazebosim/docs/blob/master/fortress/tutorials/sensors/sensor_tutorial.sdf

[mrinalTheCoder]

This might involve creating a fork of https://github.com/LeoRover/leo_common-ros2