Add broot #96

	name: GitHub Actions CI
	on:
	push:
	branches: master
	pull_request:

	jobs:
	check_links:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Check links
	id: lychee
	uses: lycheeverse/[email protected]
	with:
	args: README.md README_ZH-CN.md --verbose --no-progress --exclude wiki.bash-hackers.org/*
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Check lychee exit code
	run: exit ${{ steps.lychee.outputs.exit_code }}

Provide feedback