add recipient.ex to promo #12

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	name: Elixir CI

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

	permissions:
	contents: read

	jobs:
	build:

	name: Build and test
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Elixir
	uses: erlef/setup-beam@61e01a43a562a89bfc54c7f9a378ff67b03e4a21 # v1.16.0
	with:
	elixir-version: '1.14.2' # [Required] Define the Elixir version
	otp-version: '26.0' # [Required] Define the Erlang/OTP version
	- name: Restore dependencies cache
	uses: actions/cache@v3
	with:
	path: deps
	key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-
	- name: Install dependencies
	run: mix deps.get
	- name: Run tests
	run: mix test

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