feat(oio): Add MultipartUploadWrite to easier the work for Writer

[Xuanwo]

This PR will add MultipartUploadWrite to easier the work of implementing Writer.

It's an internal API that users can't use directly. We add this to simplify the work to implement Writer for services like s3, cos and oss. And align the behavior of buffering and available options.

This PR just migrated the implement of s3 and we will start a migrate issue for other services.

[suyanhanx]

Mostly LGTM.

But for some services like Google Drive, they need position to indicate where to continue to write. We could count and record the sizes we uploaded, then we can also get the position.

[Xuanwo]

But for some services like Google Drive, they need position to indicate where to continue to write. We could count and record the sizes we uploaded, then we can also get the position.

This concern is invalid because only services such as S3 and OSS, which have a multipart upload API, can implement this feature. Other services like fs, google drive are not covered (maybe will have their own abstraction).

[suyanhanx]

But for some services like Google Drive, they need position to indicate where to continue to write. We could count and record the sizes we uploaded, then we can also get the position.

This concern is invalid because only services such as S3 and OSS, which have a multipart upload API, can implement this feature. Other services like fs, google drive are not covered (maybe will have their own abstraction).

😯 Ok.

[suyanhanx]

Thanks!