feat(utils): 新增本地存储工具类导出

src/utils/index.ts

@@ -10,3 +10,6 @@ export { formatGrowthRate, formatFileSize, formatNumber, formatCurrency } from "
 
 // 文件下载
 export { downloadFile } from "./download";
+
+// 本地存储
+export { Storage } from "./storage";