Minor decrease of verbosity of line detection

Hotfix clock use for latest Humble release

Tuning controllers done

Tuning of MPPI and RPP controllers

Final line following tuning

Made collision checking in line following optional

Less verbosity on gazebo world logging to decrease warnings

Updated line detection and diff drive control parameters

Enabled DriveOnHeading behavior

Added line following example to README

Added line following behavior, BT plugin and client to the navigation stack

Developed script that recognized lines in camera images using OpenCV

Added dependencies for ros2_aruco to README

Behavior tree and navigation params for precision path tracking

Updated readme and model rviz views