fix definition of env variable #7

	name: Github Pages

	# By default, runs if you push to master. keeps your deployed app in sync with master branch.
	on:
	push:
	branches:
	- main
	# 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.

	jobs:
	build-github-pages:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2 # repo checkout
	- uses: actions-rs/toolchain@v1 # get rust toolchain for wasm
	with:
	profile: minimal
	toolchain: stable
	target: wasm32-unknown-unknown
	override: true
	- name: Rust Cache # cache the rust build artefacts
	uses: Swatinem/rust-cache@v1
	- name: Download and install Trunk binary
	run: wget -qO- https://github.com/thedodd/trunk/releases/latest/download/trunk-x86_64-unknown-linux-gnu.tar.gz \| tar -xzf-
	- name: Build # build
	run: ./trunk build --release --public-url $public_url
	env:
	public_url: "https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}"
	- name: Deploy
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: dist
	# 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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