Misc. improvements, unit tests and mypy proofing #6

	name: test-code
	on: [push, pull_request]

	# Cancel if a newer run is started
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	run_pytest:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.12]

	steps:
	# Checkout code and install miniconda + environment
	- uses: actions/checkout@v4
	- uses: mamba-org/setup-micromamba@v1
	with:
	init-shell: bash
	create-args: >-
	python=${{ matrix.python-version }}
	pip
	environment-file: environment.yml
	environment-name: anglerfish-dev

	# Install Anglerfish
	- shell: bash -l {0}
	name: Install Anglerfish
	run: \|
	python -m pip install .

	# Install Pytest
	- shell: bash -l {0}
	name: Install Pytest
	run: \|
	python -m pip install pytest

	# Run Pytest
	- shell: bash -l {0}
	name: Run Pytest
	run: \|
	pytest .

Provide feedback