restructuring the repo so that the net beans project is at the same level as the repository - to make it easier to version manage the files using the netBeans git tools

pom.xml

@@ -16,7 +16,7 @@
   </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 </project>