Sign the installers

[Ali]

On Wednesday, 27 June 2018 at 23:54:55 UTC, Manu wrote:
> Hey people,
>
> So I had a few people in the office refuse to install DMD 
> because when
> they launched the installer, Windows displayed the prompt that 
> it was
> untrusted (ie, unsigned) and not offer the install button 
> without
> manual override.
> True also for VisualD.
>
> Can we get a key and start signing the install packages?
>
> It would be super-cool to sign the 2.081 release since it's 
> like, imminent ;)
>
> - Manu

Also please add a sha1 or something like it