added cert-manager flag to Readme

Author: rebenkoy

README.md

@@ -108,6 +108,7 @@ Usage:
 | -crd-dir                  | Place crds in their own folder per Helm 3 [docs](https://helm.sh/docs/chart_best_practices/custom_resource_definitions/#method-1-let-helm-do-it-for-you). Caveat: CRDs templating is not supported by Helm. | `helmify -crd-dir`                  |
 | -image-pull-secrets       | Allows the user to use existing secrets as imagePullSecrets                                                                                                                                                 | `helmify -image-pull-secrets`       |
 | -cert-manager-as-subchart | Allows the user to install cert-manager as a subchart                                                                                                                                                       | `helmify -cert-manager-as-subchart` |
+| -cert-manager-version | Allows the user to specify cert-manager subchart version. Only useful with cert-manager-as-subchart. (default "v1.12.2")                                                                                                                                                       | `helmify -cert-manager-as-subchart` |
 ## Status
 Supported k8s resources:
 - Deployment, DaemonSet, StatefulSet

cmd/helmify/flags.go

@@ -64,7 +64,7 @@ func ReadFlags() config.Config {
 	flag.BoolVar(&result.ImagePullSecrets, "image-pull-secrets", false, "Allows the user to use existing secrets as imagePullSecrets in values.yaml")
 	flag.BoolVar(&result.GenerateDefaults, "generate-defaults", false, "Allows the user to add empty placeholders for tipical customization options in values.yaml. Currently covers: topology constraints, node selectors, tolerances")
 	flag.BoolVar(&result.CertManagerAsSubchart, "cert-manager-as-subchart", false, "Allows the user to add cert-manager as a subchart")
-	flag.StringVar(&result.CertManagerVersion, "cert-manager-version", "v1.12.2", "Allows to define cert-manager version. Only useful with cert-manager-as-subchart.")
+	flag.StringVar(&result.CertManagerVersion, "cert-manager-version", "v1.12.2", "Allows the user to specify cert-manager subchart version. Only useful with cert-manager-as-subchart.")
 	flag.BoolVar(&result.FilesRecursively, "r", false, "Scan dirs from -f option recursively")
 	flag.Var(&files, "f", "File or directory containing k8s manifests")