Updated about helm charts in oc-mirror v2 docs

Author: subhtk

modules/oc-mirror-imageset-config-parameters-v2.adoc

@@ -77,6 +77,63 @@ Example: `registry.redhat.io/ubi8/ubi:latest`
 |Array of strings 
 Example: `docker.io/library/alpine`
 
+|`mirror.helm`
+|The helm configuration of the image set. Note that the oc-mirror plugin supports only helm charts that do not require user input when rendered.
+|Object
+
+|`mirror.helm.local`
+|The local helm charts to mirror.
+|Array of objects. For example:
+
+[source,yaml]
+----
+local:
+  - name: podinfo
+    path: /test/podinfo-5.0.0.tar.gz
+----
+
+|`mirror.helm.local.name`
+|The name of the local helm chart to mirror.
+|String. For example: `podinfo`.
+
+|`mirror.helm.local.path`
+|The path of the local helm chart to mirror.
+|String. For example: `/test/podinfo-5.0.0.tar.gz`.
+
+|`mirror.helm.repositories`
+|The remote helm repositories to mirror from.
+|Array of objects. For example:
+
+[source,yaml]
+----
+repositories:
+  - name: podinfo
+    url: https://example.github.io/podinfo
+    charts:
+      - name: podinfo
+        version: 5.0.0
+----
+
+|`mirror.helm.repositories.name`
+|The name of the helm repository to mirror from.
+|String. For example: `podinfo`.
+
+|`mirror.helm.repositories.url`
+|The URL of the helm repository to mirror from.
+|String. For example: [x-]`https://example.github.io/podinfo`.
+
+|`mirror.helm.repositories.charts`
+|The remote helm charts to mirror.
+|Array of objects.
+
+|`mirror.helm.repositories.charts.name`
+|The name of the helm chart to mirror.
+|String. For example: `podinfo`.
+
+|`mirror.helm.repositories.charts.version`
+|The version of the named helm chart to mirror.
+|String. For example: `5.0.0`.
+
 |`mirror.operators`
 |The Operators configuration of the image set.
 |Array of objects 

modules/oc-mirror-v2-about.adoc

@@ -9,12 +9,14 @@
 
 The oc-mirror OpenShift CLI (`oc`) plugin is a single tool that mirrors all required {product-title} content and other images to your mirror registry.
 
-To use the new Technology Preview version of oc-mirror, add the `--v2` flag to the oc-mirror plugin v2 command line.
+To use the new general available version of oc-mirror, add the `--v2` flag to the oc-mirror plugin v2 command line.
 
 oc-mirror plugin v2 has the following features:
 
 * Verifies that the complete image set specified in the image set config is mirrored to the mirrored registry, regardless of whether the images were previously mirrored or not.
 
+* Provides a centralized method to mirror {product-title} releases, Operators, helm charts, and other images.
+
 * Uses a cache system instead of metadata.
 
 * Maintains minimal archive sizes by incorporating only new images into the archive.