Added link checker #5

	name: "Check documentation links"

	on:
	push:
	branches:
	- master
	- "[0-9]+.[0-9]+"
	workflow_dispatch:
	inputs:
	force_recheck:
	description: "Clear lychee cache and recheck all links from scratch"
	type: boolean
	default: false
	pull_request: ~
	schedule:
	- cron: "0 6 * * *"

	jobs:
	link-check:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.13]

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install MkDocs dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: Build documentation
	run: mkdocs build --strict

	- name: Restore lychee cache
	if: ${{ !inputs.force_recheck }}
	uses: actions/cache@v4
	with:
	path: .lycheecache
	key: lychee-${{ github.ref_name }}-${{ hashFiles('lychee.toml') }}
	restore-keys: \|
	lychee-${{ github.ref_name }}-
	lychee-

	- name: Check links
	uses: lycheeverse/lychee-action@v2
	with:
	args: >-
	--config lychee.toml
	--cache
	--cache-exclude-status "400.."
	site
	fail: true
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Upload link-check report
	if: always()
	uses: actions/upload-artifact@v4
	with:
	name: lychee-report
	path: lychee-report.md
	if-no-files-found: ignore

Provide feedback