shell.Add always wraps a folder even only one file is added

[CsterKuroi]

This is a big overhead for systems that often add a single file when use go-ipfs-api.

[welcome]

Thank you for submitting your first issue to this repository! A maintainer will be here shortly to triage and review.
In the meantime, please double-check that you have provided all the necessary information to make this process easy! Any information that can help save additional round trips is useful! We currently aim to give initial feedback within two business days. If this does not happen, feel free to leave a comment.
Please keep an eye on how this issue will be labeled, as labels give an overview of priorities, assignments and additional actions requested by the maintainers:

• "Priority" labels will show how urgent this is for the team.
• "Status" labels will show if this is ready to be worked on, blocked, or in progress.
• "Need" labels will indicate if additional input or analysis is required.

Finally, remember to use https://discuss.ipfs.io if you just need general support.

[CsterKuroi]

go-ipfs-api/add.go

Line 65 in 42a3388

func (s *Shell) Add(r io.Reader, options ...AddOpts) (string, error) {

[guseggert]

This should be addressed as part of ipfs/kubo#9124

[lidel]

We will not spend time on improving this library, let's continue in ipfs/kubo#9124