Lacks dependencies about quaternion

[major-second]

I found it necessary to run pip install numpy numpy-quaternion to make roslaunch franka_interface interface.launch work
Maybe informative: my franka_ros is 0.8.0

[github-actions]

Hi @major-second, thank you for using this repository. Unfortunately, I am unable to maintain this package any more, sorry!
If you are interested in contributing to this repository or are willing to maintain it, please contact me at mail@saifsidhik.page.
-- Saif