Adding Ruff linting #5

	name: "2015"

	on:
	push:
	branches: [ "master" ]
	paths:
	- 2015/**

	jobs:
	test:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./2015
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.12

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install poetry
	poetry install

	- name: Run lint
	run: poetry run ruff check

	- name: Run tests
	run: poetry run pytest

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