Update author info for two get started topics

Author: alvinashcraft

hub/apps/get-started/client-frameworks-faq.yml

@@ -2,6 +2,8 @@
 metadata:
   title: Client app development frameworks FAQ
   description: An tour of client app development UI framework choices for Microsoft developers.
+  author: alvinashcraft
+  ms.author: aashcraft
   ms.topic: faq
   ms.date: 10/16/2024
 

hub/apps/get-started/uno-simple-photo-viewer.md

@@ -1,6 +1,8 @@
 ---
 title: Tutorial--Build a simple photo viewer that targets multiple platforms
 description: Learn how to reach users across native mobile, web, and desktop with minimal changes to the C#/WinUI 3 simple photo viewer built in the previous tutorial. We'll use Uno Platform to create a new multi-platform app, which we can move code from the existing desktop project to.
+author: alvinashcraft
+ms.author: aashcraft
 ms.topic: article
 ms.date: 08/19/2024
 keywords: Windows, App, SDK, WinUI 3, WinUI, photo, viewer, Windows 11, Windows 10, XAML, C#, uno platform, uno