Switch to Velocity from Bungeecord and add configuration support

- Replaced Bungeecord proxy with Velocity proxy.
- Updated brand name and logging for Velocity support.
- Introduced `velocity` and `velocity-secret` configuration options.
- Removed deprecated Bungeecord handling.
- General refactor and cleanup for proxy integration.

.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="corretto-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/main/java/eu/mhsl/craftattack/worldmuseum/Main.java

@@ -17,7 +17,7 @@ import net.minestom.server.event.GlobalEventHandler;
 import net.minestom.server.event.inventory.InventoryPreClickEvent;
 import net.minestom.server.event.item.ItemDropEvent;
 import net.minestom.server.event.player.*;
-import net.minestom.server.extras.bungee.BungeeCordProxy;
+import net.minestom.server.extras.velocity.VelocityProxy;
 import net.minestom.server.timer.TaskSchedule;
 
 import java.io.IOException;
@@ -31,7 +31,7 @@ public class Main {
         System.setProperty("minestom.chunk-view-distance", "16");
         MinecraftServer minecraftServer = MinecraftServer.init();
         MinecraftServer.getConnectionManager().setPlayerProvider(MuseumPlayer::new);
-        MinecraftServer.setBrandName("mhsl.eu:worldmuseum_by_olischma");
+        MinecraftServer.setBrandName("mhsl.eu:worldmuseum");
 
         //update Taskbar
         MinecraftServer.getSchedulerManager().scheduleTask(new TablistUpdateTask(), TaskSchedule.tick(20), TaskSchedule.tick(20));
@@ -40,13 +40,12 @@ public class Main {
         WorldManager worldManager = WorldManager.getInstance();
         worldManager.loadWorlds();
 
-
         //load main config
         Config config = Config.getInstance();
         config.loadConfig();
-        if (config.isBungeecordEnabled()) {
-            BungeeCordProxy.enable();
-            System.out.println("[Info] Bungeecord enabled");
+        if (config.isVelocityEnabled()) {
+            VelocityProxy.enable(config.getVelocitySecret());
+            System.out.println("[Info] Velocity enabled");
         }
 
 

src/main/java/eu/mhsl/craftattack/worldmuseum/util/Config.java

@@ -9,7 +9,8 @@ import java.io.IOException;
 
 public class Config {
     private static Config instance;
-    private boolean bungeecordEnabled = false;
+    private boolean velocityEnabled = false;
+    private String velocitySecret = "";
     private String bungeeReturnServerName;
     public static Config getInstance() {
         if (instance == null) instance = new Config();
@@ -19,10 +20,11 @@ public class Config {
         createDefaultIfNotExists();
         try {
             JsonObject config = (JsonObject) JsonParser.parseReader(new FileReader("config.json"));
-            this.bungeecordEnabled = config.get("bungeecord").getAsBoolean();
             this.bungeeReturnServerName = config.get("bc-return-servername").getAsString();
+            this.velocityEnabled = config.get("velocity").getAsBoolean();
+            this.velocitySecret = config.get("velocity-secret").getAsString();
         } catch (IOException e) {
-            e.printStackTrace();
+            e.printStackTrace(System.err);
         }
     }
 
@@ -34,18 +36,23 @@ public class Config {
                 String default_config = """
                         {
                           "bc-return-servername": "server",
-                          "bungeecord": false
+                          "velocity": false,
+                          "velocity-secret": ""
                         }""";
                 fileWriter.write(default_config);
                 fileWriter.close();
             }
         } catch (IOException e) {
-            e.printStackTrace();
+            e.printStackTrace(System.err);
         }
     }
 
-    public boolean isBungeecordEnabled() {
-        return bungeecordEnabled;
+    public boolean isVelocityEnabled() {
+        return velocityEnabled;
+    }
+
+    public String getVelocitySecret() {
+        return velocitySecret;
     }
 
     public String getBungeeReturnServerName() {