[ENH] use non-linear alignment as default #340

	---
	name: System tests

	on:
	push:
	branches: [main]
	pull_request:
	branches: ['*']

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	# Force to use color
	env:
	FORCE_COLOR: true

	jobs:
	system_test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.11']
	cmd: [demo, demo_boutiques]
	fail-fast: false
	steps:
	- name: Clone repo
	uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y git-annex
	python -m pip install --upgrade pip setuptools
	pip install datalad boutiques
	- name: Install bidsmreye
	run: \|
	pip install .
	- name: Datalad WTF
	run: \|
	datalad wtf
	- name: Run ${{ matrix.cmd }}
	run: make ${{ matrix.cmd }}
	- name: Re run demo (should be faster)
	run: \|
	make prepare
	make generalize

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