Add codespell support (config, workflow to detect/not fix) and make it fix few typos #188

	name: Build docs and check links
	on: [push, pull_request]
	jobs:
	docs-linkcheck:
	runs-on: ubuntu-latest
	steps:
	- name: Install pandoc
	run: \|
	sudo apt-get install --no-install-recommends pandoc
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"
	- name: Double-check Python version
	run: \|
	python --version
	- name: Clone Git repository (without depth limitation)
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Install dependencies
	run: \|
	python -m pip install -r doc/requirements.txt
	- name: Build HTML
	run: \|
	python -m sphinx -W --keep-going --color -d _build/doctrees/ doc/ _build/html/ -b html
	- name: Check links
	run: \|
	python -m sphinx -W --keep-going --color -d _build/doctrees/ doc/ _build/linkcheck/ -b linkcheck
	- name: Upload linkcheck results
	uses: actions/upload-artifact@v4
	if: ${{ success() \|\| failure() }}
	with:
	name: linkcheck
	path: _build/linkcheck/output.*

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