Added testing to the software, where the simulation does not have to be run, and instead the coordinates can be visualized in RVIZ. Likewise, webcam is no longer required, but instead a video recording can be used instead

Merge branch 'main' of https://gitlab.surrey.ac.uk/ms02264/manipulator-control-with-computer-vision into main

Merge branch 'main' of https://gitlab.surrey.ac.uk/ms02264/manipulator-control-with-computer-vision into main