Fix: potential windows solution for TUI

src/main/java/it/polimi/ingsw/gc14/ClientLauncherTUI.java

@@ -15,6 +15,8 @@ import org.jline.terminal.Terminal;
 import org.jline.terminal.TerminalBuilder;
 
 import java.io.IOException;
+import java.io.PrintStream;
+import java.nio.charset.StandardCharsets;
 
 import static org.jline.builtins.Completers.TreeCompleter.node;
 
@@ -35,7 +37,12 @@ public class ClientLauncherTUI {
      */
     public void main() throws InterruptedException {
         try {
-            terminal = TerminalBuilder.builder().system(true).build();
+            System.setOut(new PrintStream(System.out, true, StandardCharsets.UTF_8));
+            System.setErr(new PrintStream(System.err, true, StandardCharsets.UTF_8));
+            terminal = TerminalBuilder.builder()
+                    .system(true)
+                    .encoding(StandardCharsets.UTF_8)
+                    .build();
         } catch (IOException e) {
             System.err.println("Could not initialise terminal: " + e.getMessage());
             return;
@@ -149,6 +156,7 @@ public class ClientLauncherTUI {
                 node("totem"),
                 node("skip"),
                 node("render"),
+                node("help"),
                 node("rematch"),
                 node("quit")
         );
@@ -180,6 +188,7 @@ public class ClientLauncherTUI {
             }
             case "skip"   -> controller.skipTurn();
             case "render" -> handleRender(parts);
+            case "help"   -> view.renderHelp();
             case "rematch" -> {
                 if (controller.miniModel == null
                         || !controller.miniModel.currentState.getGameStage().equals(GameStages.ENDED)) {