added a nightly builds workflow #2

	name: Nightly Builds

	on: [push, pull_request]

	jobs:
	Linux:
	# AppImages should be built on the oldest possible version.
	# This should also match the version referenced in AppImage.yml.
	runs-on: ubuntu-20.04

	steps:

	- name: Git Clone
	uses: actions/checkout@v4.1.6

	- name: Update Repositories
	run: sudo apt-get update

	- name: Build AppImage
	run: \|
	wget -O pkg2appimage.AppImage \
	"https://github.com/AppImageCommunity/pkg2appimage/releases/download/continuous/pkg2appimage--x86_64.AppImage"
	chmod +x pkg2appimage.AppImage
	./pkg2appimage.AppImage AppImage.yml
	chmod a+x out/*.AppImage
	- name: Archive AppImage
	uses: pyTooling/Actions/releaser@v1.0.5
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	tag: nightly
	files: out/*.AppImage

	- name: Build Lua Documentation
	run: \|
	# NOTE: The version from LuaRocks is just as old.
	sudo apt-get install -y lua-ldoc make
	make doc
	- name: Publish Website
	run: \|
	cd doc
	touch .nojekyll
	git init
	cp ../.git/config ./.git/config
	git add .
	git config --local user.email "Website@GitHubActions"
	git config --local user.name "GitHub Actions"
	git commit -a -m "update ${{ github.sha }}"
	git push -u origin +HEAD:gh-pages

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