[Development] Proposing Oliver Wolff as platform maintainer for UWP

[Shawn Rutledge]

> On 9 Apr 2018, at 14:17, Maurice Kalinowski <Maurice.Kalinowski at qt.io> wrote:
> 
> Hi,
> 
> As some might have recognized my focus inside the Qt Company has shifted from WinRT/UWP towards our Automation related offering. While I still review many patches for this platform, my effort in terms of active development have significantly reduced.
> 
> Consequently, I would like to propose Oliver Wolff to take over the role as platform maintainer. 

+1