WIP: DO NOT MERGE Su aws/replace httpc with gun fmt ets table

[SimonUnge]

Proposed Changes

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• Bug fix (non-breaking change which fixes issue #NNNN)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause an observable behavior change in existing systems)
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Further Comments

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[the-mikedavis]

Mostly minor things - I'm excited to get rid of the gen_server!

[SimonUnge]

@the-mikedavis its only to merge this into 'our' other branch for now, not into main.

[SimonUnge]

@michaelklishin I hope its OK that I merge this into just another of our branches (not into main)