Better `BuildMetadata.format_string` implementation. #7

	name: Build Documentation

	on:
	pull_request:
	branches: [main]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r docs/requirements.txt --no-deps
	- name: Build documentation
	run: \|
	python -m sphinx -b html -aE -n docs/source docs/build
	- name: Check external links
	run: \|
	python -m sphinx -b linkcheck docs/source docs/build

Provide feedback