prepare release 0.20.0 #3

	# Building and deploying svgdx-editor to GitHub Pages
	#
	name: Deploy wasm build to Pages

	on:
	# Runs on pushes targeting full semver tags with leading 'v' (e.g. 'v1.10.1')
	push:
	tags:
	- 'v[0-9]+.[0-9]+.[0-9]+'

	# Allows you to run this workflow manually from the Actions tab
	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:
	# Build job
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Setup Pages
	id: pages
	uses: actions/configure-pages@v5
	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: Install mdbook
	run: cargo install mdbook
	- name: Install mdbook-svgdx preprocessor
	run: cargo install mdbook-svgdx
	- name: Build docs
	run: mdbook build docs/mdbook
	- name: Move docs to editor
	run: mv docs/mdbook/book editor/docs
	- name: Build WASM
	run: ./wasm_build.sh
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: ./editor

	# Deployment job
	deploy:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	needs: build
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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