Add preview deployments #689

	name: Deploy web demo

	on:
	# We only run this on merges to master
	push:
	branches: ["master"]
	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:
	# to only run when you do a new github release, comment out above part and uncomment the below trigger.
	# on:
	# release:
	# types: ["published"]


	permissions:
	contents: write # for committing to gh-pages branch

	# 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

	env:
	RUSTFLAGS: -D warnings
	RUSTDOCFLAGS: -D warnings

	jobs:
	# Single deploy job since we're just deploying
	deploy:
	name: Deploy web demo

	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	target: wasm32-unknown-unknown
	toolchain: 1.76.0
	override: true

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

	- name: "Install wasmopt / binaryen"
	run: \|
	sudo apt-get update && sudo apt-get install binaryen

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

	- name: Deploy
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: web_demo
	# this option will not maintain any history of your previous pages deployment
	# set to false if you want all page build to be committed to your gh-pages branch history
	single-commit: true

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