Add link checking workflow and script #1

	---
	name: Check Links
	on:
	workflow_dispatch:
	push:
	pull_request:
	types: [opened, synchronize, reopened]
	concurrency:
	# New commit on branch cancels running workflows of the same branch
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	jobs:
	check:
	if: github.event.pull_request.draft == false
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.11"
	- name: Install dependencies
	run: pip install requests
	- name: Check Absolute Links
	run: \|
	# Only check absolute links (http/https), not relative links
	python docs/link_checker.py --dir docs/book --substring "http" --validate-links --timeout 15
	- name: Check Relative Links
	run: \|-
	# Check if relative links resolve within the repository
	python scripts/check_relative_links.py --dir docs/book

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