Ability to Add Checksum Options to statObject() request.

[zicklag]

I'm needing to supply the x-amz-checksum-mode header as a part of the statObject() request for my use-case, but I'm not allowed to supply it.

Maybe we could allow arbitrary options to be optionally passed in?

const stat = await s3client.statObject(obj.key, {
    options: {
      'x-amz-checksum-mode': 'ENABLED'
    }
})

[bradenmacdonald]

@zicklag Thanks for the suggestion. I'm sorry for the slow reply. I am planning to implement it at some point, but can't provide an ETA. In the meantime PRs are welcome if you or anyone else wants to take a stab at this.

[zicklag]

No problem on the delay! I ended up using Amazon's s3 client, so there's no pressing need from me on this.