Add a clang format file and a CI that checks formatting issues #2

	name: Python Formatting Check

	on:
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	python-black-check:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Install Black
	run: pip install black

	- name: Run Black and extract offending files
	id: black_check
	continue-on-error: true
	run: \|
	set +e
	OUTPUT=$(black --check . 2>&1)
	EXIT_CODE=$?

	echo "$OUTPUT" > black_output.txt

	grep '^would reformat' black_output.txt \| awk '{print $3}' \| sort -u > black_files.txt

	if [[ -s black_files.txt ]]; then
	echo "py_failed=true" >> $GITHUB_ENV
	echo "black_files<<EOF" >> $GITHUB_OUTPUT
	cat black_files.txt >> $GITHUB_OUTPUT
	echo "EOF" >> $GITHUB_OUTPUT
	else
	echo "py_failed=false" >> $GITHUB_ENV
	echo "black_files=" >> $GITHUB_OUTPUT
	fi

	- name: Comment on PR if Black failed
	if: env.py_failed == 'true'
	uses: peter-evans/create-or-update-comment@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	issue-number: ${{ github.event.pull_request.number }}
	body: \|
	⚠️ Black formatting check failed

	The following Python files need formatting:

	```
	${{ steps.black_check.outputs.black_files }}
	```

	Please run:
	```bash
	black .
	```
	And commit the changes before merging.

	- name: Fail if Black failed
	if: env.py_failed == 'true'
	run: \|
	echo "❌ Python formatting issues found."
	exit 1

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