refactor: 清理未使用的依赖和优化项目配置

- 移除前端未使用的依赖(md5, xlsx等)和类型定义
- 删除重复的.gitignore文件并统一配置
- 优化vite配置和打包策略
- 清理未使用的导入和注释代码

frontend/src/views/current/configinfo.vue

@@ -77,7 +77,7 @@ import { reactive, ref, onMounted } from 'vue';
 import { message } from 'ant-design-vue';
 import { getInitConfig, updateConfig, uploadFile } from '@/api/system/config';
 import type { tableDataType } from './types';
-
+import { PlusOutlined } from '@ant-design/icons-vue';
 // 定义 configData
 const configData = reactive<Record<string, any>>({});
 

frontend/src/views/current/profile.vue

@@ -293,11 +293,9 @@ import {
   IdcardOutlined,
   TeamOutlined,
   ApartmentOutlined,
-  UploadOutlined,
   KeyOutlined,
   CheckOutlined,
   SaveOutlined,
-  CheckCircleOutlined,
   CloseCircleOutlined,
   ClockCircleOutlined,
   PlusOutlined,