[FR] Add investigation guide checks #5

	name: Investigation Guide Check

	on:
	pull_request:
	types: [opened, reopened, labeled, synchronize]
	branches: [ "*" ]
	paths:
	- 'rules/*/.toml'

	jobs:
	investigation_guide_check:
	runs-on: ubuntu-latest
	if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip-guide') }}

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip cache purge
	pip install .[dev]

	- name: Run Investigation Guide Check
	env:
	GITHUB_TOKEN: "${{ secrets.PROTECTIONS_MACHINE_TOKEN }}"
	run: \|
	python -m detection_rules dev check_investigation_guide --pr-number ${{ github.event.pull_request.number }}

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