fix(docs): 修复侧边目录滚动

example/src/components/LayAnchor.vue

@@ -10,6 +10,7 @@
         <lay-icon :type="iconType" size="40"> </lay-icon>
       </lay-button>
     </div>
+    <lay-scroll :scrollWidth="0">
       <ul>
         <li
           v-for="(anchor, index) in anchorList"
@@ -26,6 +27,7 @@
           >
         </li>
       </ul>
+    </lay-scroll>
   </aside>
 </template>
 <script setup lang="ts">