update MD package to build with minimum dependencies, update ci #26

	# Check that package builds
	name: Build Checks

	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: "3.12"

	- name: Install build dependencies
	run: >-
	python -m pip install --user --upgrade setuptools wheel build

	- name: Check package builds
	run: >-
	python -m build

	- name: Install documentation dependencies
	run: >-
	python -m pip install .[docs]

	- name: Check documentation builds
	run: >-
	cd docs
	make html_all

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