IPFS RPC API documentation

[stolab]

Checklist

• [X] I am reporting a documentation issue in this repo, not https://docs.ipfs.tech.
• [X] I have searched on the issue tracker for my issue.

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Description

Is there some documentation available on how to use the RPC API for kubo](https://pkg.go.dev/github.com/ipfs/kubo/client/rpc) ? It feels like it's capable of doing a loooot of stuff but it's really hard (at least for me) to understand how to use that.

For example I cannot understand how to get an asset from a localAPI based on the CID....

[stolab]

• it seems that coreinterface (https://pkg.go.dev/github.com/ipfs/boxo/coreiface#CoreAPI) it's not part of boxo anymore.........

Which means even the example at the top does not work anymore......