added github workflow to sync with upstream #1

	name: Docker Ubuntu 22.04 image

	on:
	workflow_dispatch:
	push:
	branches:
	- 'master'

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build-and-push:
	runs-on: ubuntu-22.04
	steps:
	- name: Check out repository
	uses: actions/checkout@v3
	with:
	submodules: 'recursive'

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	context: ./
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest

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