add a basic config with parsing #8

	name: lint

	on:
	push:
	branches:
	- main
	pull_request:

	permissions:
	contents: read

	jobs:
	lint:
	name: lint
	runs-on: ubuntu-latest

	steps:
	- name: checkout
	uses: actions/checkout@v4

	- name: fetch crystal version
	id: crystal-version
	run: echo "crystal=$(cat .crystal-version)"

	- name: install crystal
	uses: crystal-lang/[email protected]
	with:
	crystal: ${{ steps.crystal-version.outputs.crystal }}

	- name: bootstrap
	run: script/bootstrap

	- name: lint
	run: script/lint

	- name: format check
	run: script/format --check

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