Update example module to make it better suited as a templaet

src/main/java/dev/plex/ExampleModule.java

@@ -1,6 +1,7 @@
 package dev.plex;
 
 import dev.plex.command.ExampleCommand;
+import dev.plex.listener.ExampleListener;
 import dev.plex.module.PlexModule;
 
 public class ExampleModule extends PlexModule
@@ -9,10 +10,12 @@ public class ExampleModule extends PlexModule
     public void enable()
     {
         registerCommand(new ExampleCommand());
+        registerListener(new ExampleListener());
     }
 
     @Override
     public void disable()
     {
+        // Unregistering listeners / commands is handled by Plex
     }
 }

src/main/java/dev/plex/listener/ExampleListener.java

@@ -0,0 +1,17 @@
+package dev.plex.listener;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+public class ExampleListener extends PlexListener
+{
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event)
+    {
+        Player player = event.getPlayer();
+        player.sendMessage(Component.text("This is a message from Plex's example module!").color(NamedTextColor.GOLD));
+    }
+}