v3.1.0

This release adds the RollingTask for rolling without slipping. Here is an example:

• Wheeled biped: Upkie rolling without slipping

upkie_rolling_without_slipping.mp4

Added

• Example: Upkie rolling without slipping on a horizontal floor
• Task: RollingTask for rolling without slipping on a plane

Changed

• Rename "end-effector to target" example to "inverse kinematics UR10"
• Update icon of documentation website

Fixed

• Update documentation Sphinx and theme versions
• Fix Jacobian of SelfCollisionBarrier for floating-base robots