update README #603

	# pre-commit workflow
	#
	# Ensures the codebase passes the pre-commit stack.
	# We run this on GHA to catch issues in commits from contributors who haven't
	# set up pre-commit.

	name: pre-commit

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	pre-commit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Cache $HOME/.local # Significantly speeds up Poetry Install
	uses: actions/cache@v4
	with:
	path: ~/.local
	key: dotlocal-${{ runner.os }}-${{ hashFiles('.github/workflows/tests.yml') }}

	- uses: actions/setup-python@v5
	with:
	python-version: "3.12"

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	installer-parallel: true

	- name: Load pip cache
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: pip-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}
	restore-keys: ${{ runner.os }}-pip

	- name: Load cached venv
	id: cached-poetry-dependencies
	uses: actions/cache@v4
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}

	- name: Install Belay
	run: poetry install --no-interaction

	- uses: pre-commit/[email protected]

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