Revise README.md for clarity and detail #19

	# .github/workflows/pre-commit.yml
	name: pre-commit

	on:
	push: # protect every branch
	pull_request: # protect every PR
	workflow_dispatch: # (optional) run it manually from the UI

	jobs:
	pre-commit:
	runs-on: ubuntu-latest # you can also matrix this (see tips)
	# Don’t let several runs clash on the same branch
	concurrency:
	group: ${{ github.ref }}-precommit
	cancel-in-progress: true

	steps:
	# 1. Check out the code that triggered the build
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0 # let pre-commit diff correctly

	# 2. Ensure a Python runtime for pre‑commit itself (even if your project isn’t Python)
	- uses: actions/setup-python@v5 # v5 is current as of July 2025
	with:
	python-version: '3.x' # any supported version works

	# 3. Run the hooks (and benefit from built‑in caching)
	- uses: pre-commit/[email protected] # latest release • maintenance only • works great :contentReference[oaicite:0]{index=0}

	# 4. (optional) Fail fast when hooks change files instead of only linting
	# - name: Check for unstaged changes
	# run: \|
	# git diff --exit-code

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