feat: add lazyContainer comp and demo

src/router/menus/modules/demo/comp.ts

@@ -48,6 +48,10 @@ const menu: MenuModule = {
         path: 'desc',
         name: '详情组件',
       },
+      {
+        path: 'lazy',
+        name: '懒加载组件',
+      },
       {
         path: 'verify',
         name: '验证组件',