chore: add a github workflow to try out compilation through actions #1

	name: Build and test

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu22
	name: Build and test (OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}})
	strategy:
	matrix:
	otp: ['23.3.4.9', '23.3.4.9']
	elixir: ['1.13.4-otp-23', '1.15.7-otp-25']
	steps:
	- uses: actions/checkout@v4

	- name: Set up Elixir
	uses: erlef/setup-beam@v1
	with:
	elixir-version: ${{matrix.elixir}}
	otp-version: ${{matrix.otp}}

	# Define how to cache deps. Restores existing cache if present.
	- name: Cache deps
	id: cache-deps
	uses: actions/cache@v3
	env:
	cache-name: cache-elixir-deps
	with:
	path: deps
	key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-${{env.cache-name}}

	# Define how to cache the `_build` directory. After the first run,
	# this speeds up tests runs a lot. This includes not re-compiling our
	# project's downloaded deps every run.
	- name: Cache compiled build
	id: cache-build
	uses: actions/cache@v3
	env:
	cache-name: cache-compiled-build
	with:
	path: _build
	key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
	restore-keys: \|
	${{ runner.os }}-mix-${{ env.cache-name }}-
	${{ runner.os }}-mix-

	- name: Install dependencies
	run: mix deps.get

	- name: Run tests
	run: mix test

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