feat(ilanzou): add support for rapid upload and fix duplication handling

[xrgzs]

1. 增加对快传响应的处理，支持快传时不进一步上传，避免 upToken = -1 报错
2. 驱动配置增加 NoOverwriteUpload 选项，让 OpenList 自动处理覆盖操作，避免上传项目重复

已知问题：

ilanzou 返回的文件大小非 Bytes，而是 Kilo Bytes，因此无法使用文件大小准确判断一个文件是否被修改，需要注意同步软件的配置。

TODO: 将上一句话增加到文档 OpenListTeam/OpenList-Docs#136

[Copilot]

Pull Request Overview

This PR adds support for rapid upload (秒传) in the ILanZou driver and introduces automatic duplication handling. The changes prevent errors when upToken = -1 (indicating rapid upload is available) and enable automatic overwrite handling to avoid duplicate uploads.

• Adds handling for rapid upload responses to avoid upload token errors
• Introduces NoOverwriteUpload configuration option for automatic duplicate handling
• Creates new response type for rapid upload scenarios

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
drivers/ilanzou/types.go	Adds UploadTokenRapidResp struct to handle rapid upload response format
drivers/ilanzou/meta.go	Enables NoOverwriteUpload option for both ILanZou and FeijiPan drivers
drivers/ilanzou/driver.go	Implements rapid upload logic when upToken == "-1"

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