chore: remove sideEffects

package.json

@@ -3,7 +3,6 @@
     "version": "0.2.4",
     "main": "./lib/index.js",
     "module": "./es/index.js",
-    "sideEffects": false,
     "repository": {
         "type": "git",
         "url": "https://github.com/vueComponent/pro-layout"

src/components/SiderMenu/index.less

-@import "~ant-design-vue/es/style/themes/default";
+@import "~ant-design-vue/es/style/themes/default.less";
 
 @sider-menu-prefix-cls: ~'@{ant-prefix}-pro-sider-menu';
 
@@ -17,52 +17,63 @@
     svg, h1 {
       display: inline-block;
     }
+
     svg {
       height: 32px;
       width: 32px;
       vertical-align: middle;
     }
+
     h1 {
       color: @white;
       font-size: 20px;
       margin: 0 0 0 12px;
-      font-family: Avenir,Helvetica Neue,Arial,Helvetica,sans-serif;
+      font-family: Avenir, Helvetica Neue, Arial, Helvetica, sans-serif;
       font-weight: 600;
       vertical-align: middle;
     }
   }
+
   &-sider {
     position: relative;
     z-index: 10;
     min-height: 100vh;
     box-shadow: 2px 0 6px rgba(0, 21, 41, 0.35);
+
     &.fix-sider-bar {
       position: fixed;
       top: 0;
       left: 0;
       box-shadow: 2px 0 8px 0 rgba(29, 35, 41, 0.05);
+
       .ant-menu-root {
         height: ~'calc(100vh - @{nav-header-height})';
         overflow-y: auto;
       }
+
       .ant-menu-inline {
         border-right: 0;
+
         .ant-menu-item,
         .ant-menu-submenu-title {
           width: 100%;
         }
       }
     }
+
     &.light {
       background-color: white;
       box-shadow: 2px 0 8px 0 rgba(29, 35, 41, 0.05);
+
       .@{sider-menu-prefix-cls}-logo {
         background: white;
         box-shadow: 1px 1px 0 0 @border-color-split;
+
         h1 {
           color: @primary-color;
         }
       }
+
       .ant-menu-light {
         border-right-color: transparent;
       }
@@ -73,36 +84,41 @@
     width: 14px;
     vertical-align: baseline;
   }
+
   .top-nav-menu li.ant-menu-item {
     height: @nav-header-height;
     line-height: @nav-header-height;
   }
+
   .drawer .drawer-content {
     background: @layout-sider-background;
   }
+
   .ant-menu-inline-collapsed {
     & > .ant-menu-item .sider-menu-item-img + span,
     &
-      > .ant-menu-item-group
-      > .ant-menu-item-group-list
-      > .ant-menu-item
-      .sider-menu-item-img
-      + span,
+    > .ant-menu-item-group
+    > .ant-menu-item-group-list
+    > .ant-menu-item
+    .sider-menu-item-img
+    + span,
     &
-      > .ant-menu-submenu
-      > .ant-menu-submenu-title
-      .sider-menu-item-img
-      + span {
+    > .ant-menu-submenu
+    > .ant-menu-submenu-title
+    .sider-menu-item-img
+    + span {
       display: inline-block;
       max-width: 0;
       opacity: 0;
     }
   }
+
   .ant-menu-item .sider-menu-item-img + span,
   .ant-menu-submenu-title .sider-menu-item-img + span {
     opacity: 1;
     transition: opacity 0.3s @ease-in-out, width 0.3s @ease-in-out;
   }
+
   .ant-drawer-body {
     padding: 0;
   }