feat: the automatic writing process prompts progress through the network port

Merged 李胤颉 requested to merge liyinjie_dev into scarthgap
状态 行为描述
系统正在刷写 Line1 网卡灯以 2 Hz 频率持续闪烁
系统刷写成功 Line1 到 Line n 跑马灯效果闪烁
系统刷写失败 网卡 link 灯行为:
- 有网线:常亮
- 无网线:熄灭
Edited by 李胤颉

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