option to filter guest types

vdiclient.ini.example

@@ -13,7 +13,8 @@ kiosk = False
 fullscreen = True
 # Enable displaying SPICE ini file before opening virt-viewer
 inidebug = False
-
+# Select which guest types to display. Acceptable values: both, lxc, qemu
+guest_type = both
 
 [Authentication]
 # This is the authentication backend that will be used to authenticate
@@ -26,7 +27,7 @@ tls_verify = false
 #user = user
 # API Token Name
 #token_name = dvi
-#API Token Value
+# API Token Value
 #token_value = xxx-x-x-x-xxx
 
 [Hosts]