Open-source and document the S3 plugin.

[msm-code]

Feature Category

• Correctness
• User Interface / User Experience
• Performance
• Other (please explain)

Describe the problem

S3 support is the most common request I hear. The thing is, mquery already supports s3, but it's not well documented (and not all necessary code is shared).

Describe the solution you'd like

Open-source and document the S3 plugin.

Describe alternatives you've considered