Add Pretendo to the Finalizing GM9 script for when NNID shuts down

[mirrormirrorontheweb]

Don't merge till it does tho

[Gruetzig]

pretendo has a documentation people should just be redirected to, whatever this is i dont like it

[mirrormirrorontheweb]

pretendo has a documentation people should just be redirected to, whatever this is i dont like it

I was just gonna add it to the finishing gm9 script and then redirect them to the docs if they want to set it up or put setup instructions on a separate page

[mirrormirrorontheweb]

ima add it to the script when i get home

[lifehackerhansol]

This doesn't belong on the guide.

Maybe it's worth it on the wiki. But I assume by that point Pretendo would have their own instructions, which would be good to link in Things to do.