add:ota管理与固件上传与下载 (#931)

* 新增ota管理与固件上传于下载

* feat: 支持通过OTA更新websocket地址

* update:合并最新代码

* update:优化OTA增删改查

* update:一个临时下载链接最多只能下载3次，防止盗链和流量攻击

* update:OTA固件增删改查

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Co-authored-by: kevin1sMe <linjiang1205@gmail.com>
Co-authored-by: hrz <1710360675@qq.com>

main/manager-web/src/utils/format.js

@@ -0,0 +1,21 @@
+// 日期格式化函数
+export function formatDate(date) {
+  if (!date) return '';
+  const d = new Date(date);
+  const year = d.getFullYear();
+  const month = String(d.getMonth() + 1).padStart(2, '0');
+  const day = String(d.getDate()).padStart(2, '0');
+  const hour = String(d.getHours()).padStart(2, '0');
+  const minute = String(d.getMinutes()).padStart(2, '0');
+  const second = String(d.getSeconds()).padStart(2, '0');
+  return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
+}
+
+// 文件大小格式化函数
+export function formatFileSize(bytes) {
+  if (!bytes || bytes === 0) return '0 B';
+  const units = ['B', 'KB', 'MB', 'GB', 'TB'];
+  const k = 1024;
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + units[i];
+}