Add format-incremental script #804

# to view logs

	name: Python formatting

	on: [push, pull_request]

	# Declare default permissions as read only.
	permissions: read-all

	jobs:
	lint:
	name: Run black
	runs-on: ubuntu-24.04
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
	- name: Set up problem matcher for Black output
	run: echo '::add-matcher::.github/problem-matchers/black.json'
	- uses: psf/black@8a737e727ac5ab2f1d4cf5876720ed276dc8dc4b # stable
	with:
	src: "./unitary"

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