Write up a guide to miniconda - why you should use it, how to etc.

[adamltyson]

There's material on the BrainGlobe page - https://docs.brainglobe.info/cellfinder/using-conda

[adamltyson]

Actually, we should probably promote mamba.

[niksirbi]

This repository by Pierre also has a writeup about conda/mamba:
https://github.com/pierreglaser/jupyter-slurm-setup-instructions

[adamltyson]

From @niksirbi - https://sleap.ai/develop/installation.html#installing-mambaforge