docs: fix spdx header #7

	# SPDX-FileCopyrightText: 2024 Christina Sørensen
	#
	# SPDX-License-Identifier: EUPL-1.2

	name: "Nix Checks"
	on:
	workflow_dispatch:
	pull_request:
	branches: [main]
	push:
	branches: [main]
	concurrency:
	group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref \|\| github.sha }}
	cancel-in-progress: true
	jobs:
	flake-checker:
	name: Flake Checker
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Check Nix flake inputs
	uses: DeterminateSystems/flake-checker-action@v8
	check:
	name: Check Nix Flake
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@v13
	- name: Setup Nix cache
	uses: DeterminateSystems/magic-nix-cache-action@main
	- name: Nix Flake Check
	run: nix flake check --all-systems
	build-linux-x86:
	name: Build Nix package
	strategy:
	matrix:
	target: [x86_64-linux]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@v13
	- name: Setup Nix cache
	uses: DeterminateSystems/magic-nix-cache-action@main
	- name: Nix Build
	run: nix build .#packages.${{ matrix.target }}.default
	build-macos-aarch64:
	name: Build Nix package
	strategy:
	matrix:
	target: [aarch64-darwin]
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@v13
	- name: Setup Nix cache
	uses: DeterminateSystems/magic-nix-cache-action@main
	- name: Nix Build
	run: nix build .#packages.${{ matrix.target }}.default

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