Added file to check if we are running as windows app

DittoSetup/appx/files.ini

@@ -15,6 +15,7 @@
 ".\Ditto\msvcp100.dll" "msvcp100.dll"
 ".\Ditto\msvcr100.dll" "msvcr100.dll"
 
+".\WindowsApp" "WindowsApp"
 
 
 ".\Ditto.png"     "Ditto.png"