Adding Reference to SMILES String Kernel #159

	name: Build GAUCHE and run unit tests.

	on:
	push:
	paths-ignore:
	- "README.md"
	- "docs/**"

	pull_request:
	paths-ignore:
	- "README.md"
	- "docs/*"
	- "CHANGELOG.md"
	- "CONTRIBUTORS.md"
	- "CONTRIBUTING.md"
	- "imgs/"

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	strategy:
	fail-fast: true
	matrix:
	python-version: ["3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python.
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Set up GAUCHE and install all dependencies.
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	pip install -e .[all]
	- name: Run unit tests with pytest.
	run: \|
	pytest tests/

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