add docs for new field

Signed-off-by: Somtochi Onyekwere <[email protected]>

Author: somtochiama

api/v1beta2/helmrepository_types.go

@@ -108,6 +108,7 @@ type HelmRepositorySpec struct {
 	// the OCI image pull if the service account has attached pull secrets. For more information:
 	// https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/#add-imagepullsecrets-to-a-service-account
 	// +optional
+	// This field is only considered for Helm Repositories of type oci
 	ServiceAccountName string `json:"serviceAccountName,omitempty"`
 
 	// Provider used for authentication, can be 'aws', 'azure', 'gcp' or 'generic'.

docs/spec/v1beta2/helmrepositories.md

@@ -509,6 +509,16 @@ data:
   caFile: <BASE64>
 ```
 
+
+### Service Account Name
+
+*Note:* This field is only taken into account for Helm Repository of
+type `oci`.
+
+`.spec.serviceAccountName` is an optional field to specify a name of a
+ServiceAccount in the same namespace as the HelmRepository, which has image
+pull secrets that can be used for authentication to the OCI image repository.
+
 ### Pass credentials
 
 `.spec.passCredentials` is an optional field to allow the credentials from the