rootston.ini: Add phone like geometry for virtual screen

This helps with Apps_Issues#36

rootston.ini

@@ -7,6 +7,12 @@ map-to-output:HDMI-A-1
 [output:HDMI-A-1]
 scale = 2
 
+[output:Virtual-1]
+# For the x86 VM using QXL to get a phone like geometry
+modeline = 87.25  720 776 848 976  1440 1443 1453 1493 -hsync +vsync
+mode = 720x1440
+scale = 2
+
 [output:X11-1]
 mode = 768x1024
 #rotate = 90