Add new armorstand option for player disguise names, clean up config cos of the player name options

Added ability to set multiple names on a player disguise, also normal mob but that is untested and has no command accessibility
Permission to do this is libsdisguises.multiname
Renamed "Now disguised as a %s" to "Now disguised as %s" for messages

src/main/resources/plugin.yml

@@ -121,6 +121,8 @@ permissions:
   libsdisguises.noactionbar:
     description: Hides the action bar even if enabled in config
     default: false
+  libsdisguises.multiname:
+    description: Allows the command user to set names on different heights
   libsdisguises.seecmd:
     description: See all commands in tab-completion
     default: true