fix: restore missing /tiedup tie command registration (review)

src/main/java/com/tiedup/remake/commands/subcommands/BindCommands.java

@@ -19,6 +19,17 @@ import net.minecraft.world.item.ItemStack;
 public class BindCommands {
 
     public static void register(LiteralArgumentBuilder<CommandSourceStack> root) {
+        // /tiedup tie <player>
+        root.then(
+            Commands.literal("tie")
+                .requires(CommandHelper.REQUIRES_OP)
+                .then(
+                    Commands.argument(
+                        "player",
+                        EntityArgument.player()
+                    ).executes(BindCommands::tie)
+                )
+        );
         // /tiedup untie <player>
         root.then(
             Commands.literal("untie")