add jpackage configuration for linux and windows

todolist/fxui/pom.xml

@@ -235,6 +235,15 @@
                     <javaOptions>
                         <option>-Dfile.encoding=UTF-8</option>
                     </javaOptions>
+                    <!-- linux options --> 
+                    <linuxShortcut>true</linuxShortcut>
+                    <linuxMenuGroup>TodoListFX</linuxMenuGroup>
+
+                    <!-- windows options --> 
+                    <winDirChooser>true</winDirChooser>
+                    <winShortcut>true</winShortcut>
+                    <winMenu>true</winMenu>
+                    <winMenuGroup>TodoListFX</winMenuGroup>
                 </configuration>
             </plugin>