Add return type to auth signal handler #121

	name: CI

	# This workflow will run for any pull request or pushed commit
	on: [push, pull_request]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "flatpak"
	flatpak:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# This job runs in a special container designed for building Flatpaks for AppCenter
	container:
	image: ghcr.io/elementary/flatpak-platform/runtime:6
	options: --privileged

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so the job can access it
	- uses: actions/checkout@v2

	# Builds your flatpak manifest using the Flatpak Builder action
	- uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v3
	with:
	# This is the name of the Bundle file we're building and can be anything you like
	bundle: Communique.flatpak
	# This uses your app's RDNN ID
	manifest-path: com.github.suzie97.communique.yml

	# You can automatically run any of the tests you've created as part of this workflow
	run-tests: true

	# These lines specify the location of the elementary Runtime and Sdk
	repository-name: appcenter
	repository-url: https://flatpak.elementary.io/repo.flatpakrepo
	cache-key: "flatpak-builder-${{ github.sha }}"

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