Add html sensors api as a way to include sensors from a mobile phone

[mklomp]

Some initial work (ROS1) has been done already. https://github.com/Software-Project-Group-9A

[mklomp]

WE should probably just wait for this to be released: https://github.com/vtalpaert/ros2-phone-sensors. We could still use the other example for adding buttons and using the screen as input/output.