ci: add test task on github #4

	# This CI job installs Crystal and shard dependencies, then executes `crystal spec` to run the test suite
	# More configuration options are available at https://crystal-lang.github.io/install-crystal/configurator.html

	name: Exec Lib

	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- master
	- dev

	concurrency:
	group: ${{ github.sha }}
	cancel-in-progress: true

	jobs:
	test:
	strategy:
	matrix:
	crystal:
	- 1.0.0
	- latest
	runs-on: ubuntu-latest
	steps:
	- name: Download source
	uses: actions/checkout@v4
	- name: Install Crystal
	uses: crystal-lang/install-crystal@v1
	with:
	crystal: ${{ matrix.crystal }}
	- name: Install shards
	run: shards update --ignore-crystal-version
	- name: Check formatting
	run: crystal tool format --check
	- name: Run tests
	run: crystal spec --order=random

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