feat: add markdown lint GH action #65

	# Cherry picked from https://github.com/nvim-telescope/telescope.nvim/blob/master/.github/workflows/lint.yml
	name: Linting and style checking
	on: [push, pull_request]
	jobs:
	luacheck:
	name: Luacheck
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Prepare
	run: \|
	sudo apt-get update
	sudo apt-get install -y luarocks
	sudo luarocks install luacheck
	- name: Lint
	run: sudo make lint
	stylua:
	name: stylua
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: JohnnyMorganz/stylua-action@v2
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	# CLI arguments
	args: --color always --check lua/

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