feat(profiles-s-z): vim syntax support

Add vim modeline instructing the editor to use the syntax plugin provided by apparmor.

Continuation of #379, #380, #381, #390 to keep the diff list relatively short.

apparmor.d/profiles-s-z/YACReaderLibrary

@@ -46,4 +46,6 @@ profile YACReaderLibrary @{exec_path} flags=(attach_disconnected,mediate_deleted
   owner @{PROC}/@{pid}/cmdline r,
 
   include if exists <local/YACReaderLibrary>
-}
+}
+
+# vim:syntax=apparmor