feat: added element-plus ^1.1.0-beta.1 support

Author: wenfangdu

generator/index.js

@@ -3,7 +3,7 @@ module.exports = (api, opts) => {
 
   api.extendPackage({
     dependencies: {
-      'element-plus': '^1.0.2-beta.71'
+      'element-plus': '^1.1.0-beta.1'
     }
   })
 

generator/templates/src/plugins/element.js

@@ -3,7 +3,7 @@ import ElementPlus from 'element-plus'
 <%_ if (options.customTheme) { _%>
 import '../element-variables.scss'
 <%_ } else { _%>
-import 'element-plus/lib/theme-chalk/index.css'
+import 'element-plus/dist/index.css'
 <%_ } _%> 
 <%_ } else { _%>
 import { ElButton, ElConfigProvider } from 'element-plus'