New WIP DUB documentation

[jmh530]

On Monday, 15 August 2022 at 21:32:23 UTC, WebFreak001 wrote:
> Hi all, I'm currently working on new revamped DUB 
> documentation, check it out if you want, it currently contains 
> most old documentation plus a big bunch of new documentation:
>
> [...]

Looks go to be a big improvement.

Some of the paragraphs on this page are a bit long and might need 
to get broken up.
https://docs.webfreak.org/cli-reference/dub/