book: add `Nip44.swift` snippet #588

	name: Book

	on:
	push:
	branches: [ master ]
	paths:
	- 'book/**'
	pull_request:
	branches: [ master ]
	workflow_dispatch:

	# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
	permissions:
	contents: read
	pages: write
	id-token: write

	# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
	# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	check-book:
	name: Check book
	runs-on: macos-latest # Use macOS to check also Swift snippets
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Install just
	run: cargo install just

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.12"

	# Required for kotlin snippets
	- name: Set up Java 17
	uses: actions/setup-java@v2
	with:
	distribution: "temurin"
	java-version: 17

	- name: Check
	run: just check-book

	deploy:
	name: Deploy book
	needs: [check-book]
	if: github.ref == 'refs/heads/master'
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Install just
	run: cargo install just

	- name: Build
	run: cd book && just build

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v2
	with:
	path: './book/book/html'

	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v3

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