Fix windows menu and add vdi menu

config/menus/windows.ipxe

@@ -5,6 +5,7 @@
 
 set win_arch x64
 set win_size small
+set win_base_url http://${next-server}/win-pe
 goto ${menu} ||
 
 :windows
@@ -15,7 +16,7 @@ item --gap Installers
 item win_install ${space} Load ${os} Installer...
 item --gap Options:
 item arch_set ${space} Architecture [ ${win_arch} ]
-imtem size_set ${space} Preinstalled software package [ ${win_size} ]
+item size_set ${space} Preinstalled software package [ ${win_size} ]
 item url_set ${space} Base URL [ ${win_base_url} ]
 choose win_version || goto windows_exit
 goto ${win_version}
@@ -26,6 +27,7 @@ goto windows
 
 :size_set
 iseq ${win_size} small && set win_size large || set win_size small
+goto windows
 
 :url_set
 echo Set the HTTP URL of an extracted Windows ISO without the trailing slash: