Implement S3Presigner class

[rcollette]

Describe the Feature

A class for presigning S3 requests of various types

Is your Feature Request related to a problem?

The Java SDK provides this functionality but it has not been replicated in the .NET SDK.
https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/s3/presigner/S3Presigner.html

I would like to provide proxied functionality for our S3 bucket, utilizing credentials other than IAM. For this I need to generate presigned S3 URLs.

Proposed Solution

Port the Java SDK implementation to .NET

Additional Context

Environment

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change

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This is a 🚀 Feature Request

[ashishdhingra]

Appears to be a useful feature request. Needs review from the team.