Add MultipoleExpansionPotential for multipole expansion of arbitrary densities #157

	name: "Copilot Setup Steps"

	# Automatically run the setup steps when they are changed to allow for easy validation, and
	# allow manual testing through the repository's "Actions" tab
	on:
	workflow_dispatch:
	push:
	paths:
	- .github/workflows/copilot-setup-steps.yml
	- .github/workflows/build.yml
	pull_request:
	paths:
	- .github/workflows/copilot-setup-steps.yml
	- .github/workflows/build.yml

	jobs:
	# The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
	copilot-setup-steps:
	runs-on: ubuntu-latest
	# Set the permissions to the lowest permissions possible needed for your steps.
	# Copilot will be given its own token for its operations.
	permissions:
	# If you want to clone the repository as part of your setup steps, for example to install dependencies, you'll need the `contents: read` permission. If you don't clone the repository in your setup steps, Copilot will do this for you automatically after the steps complete.
	contents: read
	steps:
	- uses: actions/checkout@v6
	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: '3.13'
	- name: Install the GSL
	run: \|
	sudo apt-get install libgsl-dev
	- name: Install Python dependencies
	run: \|
	pip install --upgrade --upgrade-strategy eager numpy scipy matplotlib numexpr setuptools cython pytest tqdm h5py pandas pytz wheel pynbody astropy pyerfa astroquery numba jax jaxlib
	- name: Install precommit
	run: pip install pre-commit

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