Added more default elements and changed colours

src/main/java/org/openautonomousconnection/oacswing/component/OACMenu.java

@@ -4,8 +4,6 @@
 
 package org.openautonomousconnection.oacswing.component;
 
-import org.jetbrains.annotations.NotNull;
-
 import javax.swing.*;
 import java.awt.*;
 
@@ -39,7 +37,7 @@ public class OACMenu extends JMenu implements OACComponent {
     }
 
     @Override
-    public void add(@NotNull Component comp, Object constraints) {
+    public void add(Component comp, Object constraints) {
         this.initOther(comp);
         super.add(comp, constraints);
     }