Add v5.2, v6.0, and v6.1 tags to README #227

	name: Docker build

	on:
	push:
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build-container:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Build container
	run: docker compose build && docker compose pull
	- name: Run migrations
	run: docker compose run app /venv/bin/python manage.py migrate
	- name: Load initial data
	run: docker compose run app /venv/bin/python manage.py load_initial_data
	- name: Run tests
	run: docker compose run app /venv/bin/python manage.py test

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