Implement plugin page prefix

- Fixes #2

src/main/java/net/frankheijden/serverutils/commands/CommandPlugins.java

@@ -51,7 +51,10 @@ public class CommandPlugins extends BaseCommand {
 
     private static void sendPlugins(CommandSender sender, ListFormat<Plugin> pluginFormat) {
         Messenger.sendMessage(sender, "serverutils.plugins.header");
-        sender.sendMessage(Messenger.color(ListBuilder.create(getPluginsSorted())
+        List<Plugin> plugins = getPluginsSorted();
+        String prefix = Messenger.getMessage("serverutils.plugins.prefix",
+                "%count%", String.valueOf(plugins.size()));
+        sender.sendMessage(Messenger.color(prefix + ListBuilder.create(plugins)
                 .seperator(Messenger.getMessage("serverutils.plugins.seperator"))
                 .lastSeperator(Messenger.getMessage("serverutils.plugins.last_seperator"))
                 .format(pluginFormat)

src/main/resources/messages.yml

@@ -33,6 +33,7 @@ serverutils:
     footer: "&8&m-------------------------------------------------"
   plugins:
     header: "&8&m------------=&r&8[ &b&lServerUtils Plugins&r &8]&m=-------------"
+    prefix: " &3Plugins &8(&a%count%&8)&b: "
     format: "&3%plugin%"
     format_disabled: "&c%plugin%"
     seperator: "&b, "