docs: add permissions config to the example workflow #14

	name: Example Elixir App CI

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest
	name: Tests & Checks
	defaults:
	run:
	working-directory: ./tests/example_app
	env:
	MIX_ENV: test

	steps:
	- uses: actions/checkout@v3

	- name: Setup Erlang and Elixir
	uses: erlef/setup-beam@v1.16
	with:
	elixir-version: "1.15.0-otp-26"
	otp-version: "26.0"

	- name: Mix and build cache
	uses: actions/cache@v3
	with:
	path: \|
	./tests/example_app/deps
	./tests/example_app/_build
	key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-

	- name: Get dependencies
	run: mix deps.get

	- name: Code analyzers
	run: \|
	mix format --check-formatted
	mix compile --warnings-as-errors

	- name: Tests & Coverage
	uses: ./
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	coverage_threshold: 90
	working_directory: ./tests/example_app

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