netbeans: added kashw2 as maintainer

pkgs/applications/editors/netbeans/default.nix

···
       binaryBytecode
       binaryNativeCode
     ];
-    maintainers = with lib.maintainers; [ sander rszibele ];
+    maintainers = with lib.maintainers; [ sander rszibele kashw2 ];
     platforms = lib.platforms.unix;
   };
 }