add cli page to index

Author: maltesander

docs/modules/listener-operator/pages/reference/index.adoc

@@ -4,7 +4,4 @@ Consult the reference documentation section to find exhaustive information on:
 
 * Descriptions and default values of all properties in the CRDs used by this operator in the xref:reference/crds.adoc[].
 * The xref:reference/environment-variables.adoc[] accepted by the operator.
-
-== Command line parameters
-
-At the moment this operator accepts no command line parameters.
+* The xref:reference/commandline-parameters.adoc[] accepted by the operator.