Added balanced provider

Author: jamezrin

src/main/java/com/jaimemartz/playerbalancer/connection/ProviderType.java

@@ -6,6 +6,7 @@
 import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ThreadLocalRandom;
 
@@ -36,6 +37,28 @@ public ServerInfo requestTarget(PlayerBalancer plugin, ServerSection section, Li
         }
     },
 
+    BALANCED {
+        @Override
+        public ServerInfo requestTarget(PlayerBalancer plugin, ServerSection section, List<ServerInfo> list, ProxiedPlayer player) {
+            List<ServerInfo> results = new ArrayList<>();
+            int min = Integer.MAX_VALUE;
+
+            for (ServerInfo server : list) {
+                int count = plugin.getNetworkManager().getPlayers(server);
+
+                if (count <= min) {
+                    if (count < min) {
+                        min = count;
+                        results.clear();
+                    }
+                    results.add(server);
+                }
+            }
+
+            return results.get(ThreadLocalRandom.current().nextInt(list.size()));
+        }
+    },
+
     RANDOM {
         @Override
         public ServerInfo requestTarget(PlayerBalancer plugin, ServerSection section, List<ServerInfo> list, ProxiedPlayer player) {