feat(docs): reference docs (#338)

* reference docs

* Changed nav order

Author: fhennig

docs/modules/secret-operator/pages/configuration.adoc

@@ -1,4 +1,8 @@
-=== --csi-endpoint
+= Command line parameters
+
+This operator accepts the following command line parameters:
+
+== --csi-endpoint
 
 *Required*: true
 

docs/modules/secret-operator/pages/commandline_args.adoc renamed to docs/modules/secret-operator/pages/reference/commandline-parameters.adoc

@@ -0,0 +1,3 @@
+= CRD Reference
+
+Find all CRD reference for the Stackable Secret Operator at: {crd-docs-base-url}/secret-operator/{crd-docs-version}.

docs/modules/secret-operator/pages/reference/crds.adoc

@@ -0,0 +1,6 @@
+= Reference
+
+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/commandline-parameters.adoc[] accepted by the operator.

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

@@ -2,11 +2,14 @@
 // be included from a different module
 * xref:secret-operator:building.adoc[]
 * xref:secret-operator:installation.adoc[]
-* xref:secret-operator:configuration.adoc[]
 * xref:secret-operator:usage.adoc[]
 * Concepts
 ** xref:secret-operator:secretclass.adoc[]
 ** xref:secret-operator:scope.adoc[]
 ** xref:secret-operator:volume.adoc[]
 * xref:secret-operator:security.adoc[]
+* xref:secret-operator:reference/index.adoc[]
+** xref:secret-operator:reference/crds.adoc[]
+*** {crd-docs}/secrets.stackable.tech/secretclass/v1alpha1/[SecretClass {external-link-icon}^]
+** xref:secret-operator:reference/commandline-parameters.adoc[]
 * xref:secret-operator:troubleshooting.adoc[]