Add image viewer

[nda-cunh]

I, I try to implement the new image module of vim :)

[mmrwoods]

Hey, sorry, I didn't spot this until now. Was it supposed to be an issue in the main fuzzbox.vim repo?

It looks pretty cool anyway, I wasn't aware of any built in support for this in Vim, is it a new feature?

[nda-cunh]

yes its from 9.2
vim/vim#20136

[mmrwoods]

Nice!