add getting sgtarted in the docs, and add some docstrings examples of

See merge request !34

methods

works fine but it does not throw an error when the script fails.

see_also)

PlnPCA

defaults of get_simulation_parameters, add a add_const = True by
default.

code

update | to ** for python < 3.10

See merge request bbatardiere/pyplnmodels!33

update getting started

See merge request bbatardiere/pyplnmodels!32

Dev

See merge request bbatardiere/pyplnmodels!31

Dev

See merge request bbatardiere/pyplnmodels!30