Smoke render: optimisation and MCMC are shrunk for CI speed, so figures and diagnostics are not publication-fidelity. The production docs are built with full-length inference.

GPJax

Fitting#

`fit`	Train a Module model with respect to a supplied objective function.
`fit_lbfgs`	Train a Module model with respect to a supplied Objective function.
`fit_scipy`	Train a Module model with respect to a supplied Objective function using SciPy's L-BFGS-B optimiser.
`get_batch`	Batch the data into mini-batches.