Add misc debugging helpers and feature to poison dead memory #419

	name: Check broken links in docs

	on:
	pull_request:
	branches:
	- master

	jobs:
	check-broken-links-in-docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Restore lychee cache
	uses: actions/cache@v3
	with:
	path: .lycheecache
	key: cache-lychee-${{ github.sha }}
	restore-keys: cache-lychee-
	- name: Check links in docs/*.md
	uses: lycheeverse/[email protected]
	with:
	fail: true
	token: ${{ secrets.GITHUB_TOKEN }}
	args: --base docs --accept '200,201,202,203,204,429,500' --no-progress --cache --max-cache-age 1d './docs/*/.md' --exclude https://users.cecs.anu.edu.au/~steveb/pubs/papers/**
	- name: Save lychee cache
	uses: actions/cache/save@v4
	if: always()
	with:
	path: .lycheecache
	key: ${{ steps.restore-cache.outputs.cache-primary-key }}

Provide feedback