vue-notes-0 脚手架工具安装及建立项目

安装vue-cli:
npm i -g vue-cli

建立webpack的vue项目：
vue init webpack vue-music

# install dependencies
npm install

# serve with hot reload at localhost:8080
npm run dev

# build for production with minification
npm run build

# build for production and view the bundle analyzer report
npm run build --report