fix: небольшие исправления

core/src/main/java/asys/core/Core.java

@@ -70,6 +70,7 @@ public class Core {
         sj.add("asys.api");
         sj.add("org.slf4j;version=1.7.21");
         sj.add("org.slf4j.helpers;version=1.7.21");
+        sj.add("org.slf4j.spi;version=1.7.21");
         return sj.toString();
     }
 

mcserver-manager/src/main/java/asys/mcsmanager/server/Server.java

@@ -29,11 +29,7 @@ public class Server {
         workerGroup = new NioEventLoopGroup();
 
         ServerBootstrap serverBootstrap = createServerBootstrap();
-        try {
-            serverBootstrap.bind(host, port).sync().channel().closeFuture().sync();
-        } catch (InterruptedException e) {
-            shutdown();
-        }
+        serverBootstrap.bind(host, port);
     }
 
     public void shutdown() {