[wip] Update sdk in python

[edgarriba]

• add draft prototype for the ros bridge in python
• design distributed pattern so that users can write their own publishers/subscribers to later compose via roslaunch
• assume that the bridge will run inside the robot in its own container
• we switch to Python for simplicity for now
• we implement the new bridge in a new repo but we keep this name amiga-ros-bridge
• initially we want to support the Oak camera via the existing ROS package
  • alternatively we add an subscriber example to show how convert from the amiga camera services to ros messages
• Features:
• subscribe/publish Twist messages (canbus service)
• subscribe Odometry message (filter service)
• publish joint states (not priority)