Community flavors and new images

[Robie Basak]

On Tue, Jan 10, 2023 at 09:17:29AM -0800, Steve Langasek wrote:
> Where would you all like this documented? 
> https://wiki.ubuntu.com/RecognizedFlavors/AddingNew or
> https://wiki.ubuntu.com/RecognizedFlavors/NewFlavorProcess ?

I'd like to keep NewFlavorProcess minimal to keep things simple for
prospective flavours, so I went ahead and documented this in AddingNew
which I see more as internal documentation for the release team.

But it's a wiki, so everyone should feel free to adjust as they think
appropriate :-)

Robie