Adding version 3 beta

doc/diplodocus_tutorial/build/Tutorial.log

-This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022/MacPorts 2022.62882_2) (preloaded format=pdflatex 2023.4.30)  15 MAY 2023 09:33
+This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022/MacPorts 2022.62882_2) (preloaded format=pdflatex 2023.4.30)  30 MAY 2023 15:17
 entering extended mode
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src/main/java/ui/util/DefaultText.java

@@ -60,7 +60,7 @@ public class DefaultText {
     }
 
     public static String getVersion() {
-        return "2.0"; /* Set new release May, 30, th, 2023 */
+        return "3.0 beta"; /* Set new release May, 30, th, 2023 */
     }
 
     public static String getFullVersion() {