fix: getBatteryInfo docs

uni_modules/uni-getbatteryinfo/index.d.ts

@@ -29,7 +29,7 @@ declare class Uni {
   /**
    * 获取设备电量
    *
-   * 文档: [https://uniapp.dcloud.net.cn/api/system/batteryInfo.html)
+   * 文档: [https://uniapp.dcloud.net.cn/api/system/batteryInfo.html](https://uniapp.dcloud.net.cn/api/system/batteryInfo.html)
    */
   getBatteryInfo(option?: GetBatteryInfoOption): void;
 }