CI: Add workflow to publish web-demo to `gh-pages` branch on each PR #2

	name: Deploy web demo

	on: [push, pull_request]

	# TODO: run only on master
	# on:
	# # Runs on pushes targeting the default branch
	# push:
	# branches: ["master"]

	# # Allows you to run this workflow manually from the Actions tab
	# workflow_dispatch:

	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:
	# Single deploy job since we're just deploying
	deploy:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	target: wasm32-unknown-unknown
	toolchain: 1.70.0
	override: true

	- uses: Swatinem/rust-cache@v2
	with:
	prefix-key: "web-demo-"

	- uses: jetli/[email protected]

	- run: \|
	scripts/build_demo_web.sh --release

	- name: Setup Pages
	uses: actions/configure-pages@v3

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v2
	with:
	path: "docs"

	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2

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