Display the console on windows.

This will help to debug issue as we will have access to log output.
This should be revert before doing the last release.

kiwix-desktop.pro

@@ -27,6 +27,10 @@ win32 {
   DEFINES += BUILD_DATE='"$$system(echo %DATE%)"'
 }
 
+win32 {
+  CONFIG += console
+}
+
 
 # The following define makes your compiler emit warnings if you use
 # any feature of Qt which has been marked as deprecated (the exact warnings