[Backend] Go (net/http) standard library

[0xdod]

Repo: https://github.com/0xdod/go-realworld

[geromegrignon]

Hey @0xdod, thanks for your contribution!
Is your implementation completed?

[geromegrignon]

Awesome, can you submit it here so it'll be included in the official list?

[0xdod]

Done

[geromegrignon]

Thanks, approved!

[mvila]

To make the implementation look better in the list, I've changed the libraries/frameworks field from "None" to "Go's net/http library". @0xdod, feel free to edit it if you have a better idea.

[0xdod]

I think that's more appropriate, thanks for the feedback