add iw7-mod RCON support (#361)

* create iw7-mod parser

* iw7 default settings & enum stuff

* add zm maps to defaultsettings

Plugins/ScriptPlugins/ServerBanner.js

@@ -127,6 +127,9 @@ const plugin = {
                     'h2m': {
                         right: colorLeft
                     },
+                    'iw7': {
+                        right: colorLeft
+                    }
                 };
 
                 const servers = plugin.manager.servers;