Add github action to check the nix build #50

	name: Run code checks with different build tools

	on:
	- push
	- pull_request

	jobs:

	poetry:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	check:
	- poetry check
	- poetry build

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4

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

	- name: Run check "${{ matrix.check }}"
	run: "${{ matrix.check }}"

	nix-flake:
	runs-on: ubuntu-latest

	steps:
	- name: Install Nix
	uses: cachix/install-nix-action@v22

	- uses: actions/checkout@v4

	- name: Build the nix derivation (also runs the tests)
	run: nix build --print-build-logs

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