chore(ci): add release workflow #422

	name: Continuous Integration

	on:
	push:
	branches:
	- main
	pull_request: ~

	jobs:
	tests:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	include:
	- os: ubuntu-latest
	url: https://github.com/neovim/neovim/releases/download/nightly/nvim-linux64.tar.gz
	- os: ubuntu-20.04
	url: https://github.com/neovim/neovim/releases/download/v0.10.0/nvim-linux64.tar.gz
	- os: ubuntu-latest
	url: https://github.com/neovim/neovim/releases/download/v0.9.2/nvim-linux64.tar.gz

	steps:
	- uses: actions/checkout@v4

	- run: date +%F > todays-date
	- name: Restore from todays cache
	uses: actions/cache@v4
	with:
	path: _neovim
	key: ${{ runner.os }}-${{ matrix.url }}-${{ hashFiles('todays-date') }}

	- name: Prepare
	run: \|
	test -d _neovim \|\| {
	mkdir -p _neovim
	curl -sL ${{ matrix.url }} \| tar xzf - --strip-components=1 -C "${PWD}/_neovim"
	}
	mkdir -p ~/.local/share/nvim/site/pack/vendor/start
	git clone --depth 1 https://github.com/nvim-lua/plenary.nvim ~/.local/share/nvim/site/pack/vendor/start/plenary.nvim
	ln -s $(pwd) ~/.local/share/nvim/site/pack/vendor/start

	- name: Run tests
	run: \|
	export PATH="${PWD}/_neovim/bin:${PATH}"
	export VIM="${PWD}/_neovim/share/nvim/runtime"
	nvim --version
	make test

	release:
	if: github.ref == 'refs/heads/main' && github.event_name == 'push'
	runs-on: ubuntu-latest
	needs:
	- tests
	permissions:
	contents: write
	pull-requests: write
	steps:
	- uses: googleapis/release-please-action@v4
	with:
	token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
	release-type: simple

Provide feedback