docs: split out avoiding conflicts section #407

	# Copyright © Michal Čihař <[email protected]>
	#
	# SPDX-License-Identifier: GPL-3.0-or-later

	name: Linkcheck

	on:
	push:
	paths:
	- docs/**.rst
	- .github/workflows/linkcheck.yml
	pull_request:
	paths:
	- docs/**.rst
	- .github/workflows/linkcheck.yml
	schedule:
	- cron: 30 5 * * *

	permissions:
	contents: read

	jobs:
	linkcheck:
	runs-on: ubuntu-24.04
	name: Linkcheck

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.13'
	- uses: astral-sh/setup-uv@v4
	- name: Install apt dependencies
	run: \|
	sudo apt update
	sudo apt install -y graphviz
	- name: Install Python dependencies
	run: uv sync --no-sources --only-group docs --frozen
	- name: Sphinx linkcheck
	run: \|
	. .venv/bin/activate
	./ci/run-docs linkcheck
	- name: Sphinx linkcheck collect
	if: always()
	run: \|
	echo "::add-matcher::.github/matchers/sphinx-linkcheck.json"
	echo "::add-matcher::.github/matchers/sphinx-linkcheck-warn.json"
	sed 's@^@docs/@' docs/_build/linkcheck/output.txt
	echo "::remove-matcher owner=sphinx::"
	echo "::remove-matcher owner=sphinx-warn::"
	- uses: actions/[email protected]
	if: always()
	with:
	name: Linkcheck report
	path: docs/_build/linkcheck/output.txt

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