Update demo.yml #2

	name: Build and Deploy
	# 监听 master 分支上的 push 事件
	on:
	push:
	branches:
	- master
	jobs:
	build-and-deploy:
	# 构建环境使用 ubuntu
	runs-on: ubuntu-latest
	steps:
	# 官方action, 将代码拉取到虚拟机
	- name: Checkout
	uses: actions/checkout@v3
	with:
	persist-credentials: false

	# 安装node.js
	- name: Use Node.js
	uses: actions/setup-node@v3
	with:
	node-version: "16.9.0"

	# 下载依赖、打包项目
	- name: Install and Build
	run: \|
	yarn install
	yarn build

	# 部署
	- name: Deploy
	uses: JamesIves/github-pages-deploy-action@v4.3.3
	with:
	# 项目配置的打包目录名称
	folder: dist
	# 提交分支名
	branch: static-pages

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