add to_geojson(), read_shapefile() methods, and associated tests #102

	---
	name: Code Quality Checks

	on:
	push:
	branches: [trunk]
	pull_request:
	branches: [trunk]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	python-version: ['3.10', '3.12']
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Display Python version
	run: python -c "import sys; print(sys.version)"

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	installer-parallel: true

	# Do not let Poetry to install again if we do not detect a lock file change
	- name: Load cached venv
	id: cached-poetry-dependencies
	uses: actions/cache@v4
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}

	- name: Install dependencies
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	run: \|
	poetry install --no-interaction --all-extras

	- name: Check format with black
	run: poetry run black --check craterpy/
	- name: Unit & Coverage test with pytest
	run: poetry run pytest --cov-report=xml
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3

Provide feedback