refactor(ui): 重构侧边栏导航结构并更新组件配置

- 移除嵌套子菜单结构，简化为平铺式菜单项
- 添加首页路由导航项，优化导航体验
- 更新 .gitignore 文件，忽略 package-lock.json
- 注释掉 AboutView 中的动态按钮渲染逻辑
- 在组件声明文件中添加 ElSubItem 组件类型定义
- 调整侧边栏样式，固定宽度为 200px 并优化高度计算

flask-ui/src/layout/components/Sidebar/index.vue

@@ -17,30 +17,12 @@ const iconComponent = ref("location")
         :collapse="isCollapse"
         class="el-menu-vertical-demo"
         router>
-        <el-sub-menu index="1">
-          <template #title>
-            <el-icon>
-              <component :is="iconComponent"></component>
-            </el-icon>
-            <span>Navigator One</span>
-          </template>
-          <el-menu-item-group title="Group One">
-            <el-menu-item index="1-1">
-              <el-icon>
-                <location/>
-              </el-icon>
-              item one
-            </el-menu-item>
-            <el-menu-item index="1-2">item two</el-menu-item>
-          </el-menu-item-group>
-          <el-menu-item-group title="Group Two">
-            <el-menu-item index="1-3">item three</el-menu-item>
-          </el-menu-item-group>
-          <el-sub-menu index="1-4">
-            <template #title>item four</template>
-            <el-menu-item index="1-4-1">item one</el-menu-item>
-          </el-sub-menu>
-        </el-sub-menu>
+        <el-menu-item index="1" route="index">
+          <el-icon>
+            <Menu/>
+          </el-icon>
+          <span>首页</span>
+        </el-menu-item>
         <el-menu-item index="2" route="about">
           <el-icon>
             <Menu/>
@@ -66,10 +48,9 @@ const iconComponent = ref("location")
 
 <style scoped lang="scss">
 .el-aside {
-  width: auto;
+  width: 200px;
 }
-
-:deep(.el-scrollbar__wrap) {
-  max-height: calc(100vh - 60px);
+:deep(.el-menu.el-menu--vertical) {
+  min-height: calc(100vh - 60px);
 }
 </style>

flask-ui/src/views/AboutView.vue

@@ -37,9 +37,12 @@ const getThirdLevelOptions = () => {
   <el-main>
     <el-card shadow="never">
       <template #default>
-        <div v-for="(v,i) in getSecondLevelOptions()">
-          <div>{{i}}</div>
-          <el-button v-for="(v2,i2) in v" :key="i2">{{ v2 }}</el-button>
+<!--        <div v-for="(v,i) in getSecondLevelOptions()">-->
+<!--          <div>{{i}}</div>-->
+<!--          <el-button v-for="(v2,i2) in v" :key="i2">{{ v2 }}</el-button>-->
+<!--        </div>-->
+        <div>
+          <el-button v-for="(v,i) in aa" :key="i">{{ i }}</el-button>
         </div>
       </template>
       <template #footer>