Add Dockerfile and github workflow to push docker image to ghcr #3

	name: Status checks

	on:
	push:
	branches: [ master ]
	pull_request:
	# Make it possible to trigger the checks manually.
	workflow_dispatch:

	jobs:
	docker-build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	# We only run the build stage to prevent that the IRMA schemes are downloaded.
	- name: Run Dockerfile build stage
	run: docker build -t privacybydesign/angrygames:build .

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