Update README to discuss pydantic v2 branch #22

	# Copied almost verbatim from https://github.com/marketplace/actions/sphinx-build
	name: test_examples
	on:
	- push

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
	name: Python ${{ matrix.python-version }}
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	cache: 'pip'
	- name: Install dependencies
	run: \|
	pip install -e .

	- name: Test FastAPI Example
	run: \|
	cd examples/fastapi_app
	docker-printer synth
	git diff --shortstat --output=diff.txt .
	if [ -s diff.txt ]; then
	cat diff.txt;
	exit 1;
	else
	echo "No differences detected";
	fi

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