feat: add ci #2

	name: Build

	on:
	pull_request:
	branches: ["main"]

	permissions:
	contents: read

	env:
	MIX_ENV: dev
	OTP: "26.1.2"
	ELIXIR: "1.15.7"

	jobs:
	build:
	name: Build and test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set up Elixir
	uses: erlef/[email protected]
	with:
	elixir-version: ${{ env.ELIXIR }}
	otp-version: ${{ env.OTP }}

	- name: Restore dependencies cache
	uses: actions/cache@v3
	id: mix-cache
	with:
	path: deps
	key: ${{ runner.os }}-${{ env.OTP }}-${{ env.ELIXIR }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-${{ env.OTP }}-${{ env.ELIXIR }}-mix-

	- name: Install dependencies
	if: steps.mix-cache.outputs.cache-hit != 'true'
	run: mix deps.get --only test

	- name: Check format
	run: mix format --check-formatted

	- name: Check typespecs
	run: mix dialyzer

	- name: Run Credo
	run: mix credo --strict

	- name: Run tests
	run: MIX_ENV=test mix test

	- name: Retrieve PLT Cache
	uses: actions/cache@v1
	id: plt-cache
	with:
	path: priv/plts
	key: ${{ runner.os }}-${{ env.OTP }}-${{ env.ELIXIR }}-plts-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-${{ env.OTP }}-${{ env.ELIXIR }}-plts-

	- name: Create PLTs
	if: steps.plt-cache.outputs.cache-hit != 'true'
	run: \|
	mkdir -p priv/plts
	mix dialyzer --plt

	- name: Run dialyzer
	run: mix dialyzer --no-check --halt-exit-status

Provide feedback