unscented kalman filtering

[murphyk]

Redo #468 using unscented kalman filtering (aka sigma point kalman filtering) implemented in 3 ways.

• with this library: https://github.com/rlabbe/filterpy
• with this library: https://pykalman.github.io
• with you own custom JAX code (following the description at https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python/blob/master/10-Unscented-Kalman-Filter.ipynb)

[murphyk]

moved to hermes