Added "skip tutorial" button.

src/main/java/de/neemann/digital/gui/tutorial/InitialTutorial.java

@@ -29,6 +29,7 @@ import de.neemann.gui.Screen;
 
 import javax.swing.*;
 import java.awt.*;
+import java.awt.event.ActionEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.util.ArrayList;
@@ -171,6 +172,12 @@ public class InitialTutorial extends JDialog implements CircuitComponent.Tutoria
         text.setPreferredSize(new Dimension(300, 400));
 
         getContentPane().add(new JScrollPane(text));
+        getContentPane().add(new JButton(new AbstractAction(Lang.get("tutorialNotNeeded")) {
+            @Override
+            public void actionPerformed(ActionEvent actionEvent) {
+                disableTutorial();
+            }
+        }), BorderLayout.SOUTH);
 
         pack();
 
@@ -182,11 +189,15 @@ public class InitialTutorial extends JDialog implements CircuitComponent.Tutoria
 
     }
 
+    private void disableTutorial() {
+        Settings.getInstance().getAttributes().set(Keys.SETTINGS_SHOW_TUTORIAL, false);
+        dispose();
+    }
+
     private void incIndex() {
         stepIndex++;
         if (stepIndex == STEPS.size()) {
-            Settings.getInstance().getAttributes().set(Keys.SETTINGS_SHOW_TUTORIAL, false);
+            disableTutorial();
-            dispose();
         } else {
             setTextByID(STEPS.get(stepIndex).getId());
         }

src/main/resources/lang/lang_de.xml

@@ -2008,4 +2008,7 @@ Daher steht auch das Signal 'D_out' zur Verfügung, um in diesem Fall den Wert z
     <string name="tutorialUniqueIdents">
         Die Ein- und Ausgänge sollten eindeutig benannt sein.
     </string>
+    <string name="tutorialNotNeeded">
+        Tutorial überspringen
+    </string>
 </resources>

src/main/resources/lang/lang_en.xml

@@ -1968,5 +1968,7 @@ Therefore, the signal 'D_out' is also available to check the value in this case.
     <string name="tutorialUniqueIdents">
         The inputs and outputs should be uniquely named.
     </string>
-
+    <string name="tutorialNotNeeded">
+        Skip Tutorial
+    </string>
 </resources>