Acquisition Configuration (#285)

* feat!: acquisition Config.

This is a breaking change!

* fmt: black

* feat(test): use acquisition fixture for tests.

* feat: docstrings

* refactor!: use acq in display functions as well

* fmt:black

* fix: correct field name.

* feat: move adc setup to acquisition level.

* fix: example use the acquisition object

* feat: example use acquisition.

* fix: style

* use correct units

* fix: enum meta has evolved in python 3.12

* feat: use better default for grad raster time.

* feat: more SI units and acq use

* fix: don't modify API for write/read_trajectory

* fmt

* fix examples

* update

* fix: acq and display

* feat: add context manager for the acquisition

* update context manager

* fmt: PEP604 type union

fixes UP045

* [docs] update docstring for acquisition config.

Author: paquiteau

src/mrinufft/io/nsp.py

@@ -10,7 +10,6 @@
 
 from mrinufft.io.utils import prepare_trajectory_for_seq
 import numpy as np
-from typing import Optional
 
 from mrinufft.trajectories.utils import (
     Acquisition,