Add a start_dm option to SimpleMenu #775

	name: Check label pattern exhaustiveness
	on:
	pull_request:
	push:

	jobs:
	check_label_pattern_exhaustiveness:
	name: Check label pattern exhaustiveness
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the repository
	uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.8"
	- name: Install script's pre-requirements
	run: \|
	python -m pip install -U pip
	python -m pip install -U pathspec pyyaml rich
	- name: Check label pattern exhaustiveness
	run: \|
	python .github/workflows/scripts/check_label_pattern_exhaustiveness.py

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