rework stuff

src/main/java/net/saltymc/eaa/handler/commands/Command.java

@@ -2,10 +2,18 @@ package net.saltymc.eaa.handler.commands;
 
 import net.fabricmc.fabric.api.client.command.v1.FabricClientCommandSource;
 
+import java.util.Set;
+
 public interface Command {
 
     boolean run(final FabricClientCommandSource cs, String[] args);
 
+    String getCommand();
+
+    Set<String> getAlias();
+
+    boolean acceptInput();
+
     /**
      * should message get intercepted and not send to Server?
      */