Update README.md #3

	name: "format code"

	# run on push to main
	on:
	push:
	branches:
	- main
	pull_request_target:
	branches:
	- main
	workflow_dispatch:

	jobs:
	format:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	# check out HEAD on the branch
	ref: ${{ github.head_ref }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	# make sure the parent commit is grabbed as well, because
	# that's what will get formatted (i.e. the most recent commit)
	fetch-depth: 2
	# commit the changes (if there are any)
	- name: Commit changes
	uses: stefanzweifel/git-auto-commit-action@v4.1.2
	with:
	commit_message: 🎨 apply clang-format changes
	branch: ${{ github.head_ref }}

Provide feedback