Add support for building discovery-installer #4

	name: PR validation

	on: [pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Install poetry
	run: pipx install poetry

	- name: Set up Python
	uses: actions/[email protected]
	with:
	python-version: "3.12"
	cache: "poetry"
	cache-dependency-path: "poetry.lock"

	- name: Install dependencies
	run: poetry install

	- name: Run code linters
	run: \|
	poetry run ruff check discobuilder
	poetry run ruff format --check discobuilder

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