Add docu for skipt property

Author: MelleD

documentation/developer-guide/modules/tooling-guide/pages/maven-plugin.adoc

@@ -118,6 +118,7 @@ are replaced using `packageName` | `String` | none | {nok}
 | `templateFile` | The path and name of the velocity template file containing the macro library. See xref:java-aspect-tooling.adoc#providing-custom-macros-for-code-generation[Providing Custom Macros for Code Generation]. | `String` | none | {nok}
 | `executeLibraryMacros` | Execute the macros provided in the velocity macro library. | `Boolean` | `false` | {nok}
 | `disableJacksonAnnotations` | Leads to generated Java code that does not contain https://github.com/FasterXML/jackson[Jackson] annotations. | `Boolean` | `false` | {nok}
+| `skip` | Skip execution of plugin and generation | `Boolean` | `false` | {nok}
 |===
 
 === Generate Static Meta Classes