Installer: Make Private network optional

Change-Id: Ic7a2e5250a42dc03de2416b1e2a0d1bbca3f010c
diff --git a/core/installer/values-tmpl/certificate-issuer-custom.cue b/core/installer/values-tmpl/certificate-issuer-custom.cue
index 382e8fa..2cc7ef7 100644
--- a/core/installer/values-tmpl/certificate-issuer-custom.cue
+++ b/core/installer/values-tmpl/certificate-issuer-custom.cue
@@ -12,7 +12,7 @@
 icon: "<svg xmlns='http://www.w3.org/2000/svg' width='50' height='50' viewBox='0 0 48 48'><g fill='none' stroke='currentColor' stroke-linecap='round' stroke-linejoin='round' stroke-width='4'><path d='M4 34h8v8H4zM8 6h32v12H8zm16 28V18'/><path d='M8 34v-8h32v8m-4 0h8v8h-8zm-16 0h8v8h-8zm-6-22h2'/></g></svg>"
 
 charts: {
-	"certificate-issuer-public": {
+	"certificate-issuer": {
 		kind: "GitRepository"
 		address: "https://github.com/giolekva/pcloud.git"
 		branch: "main"
@@ -21,7 +21,7 @@
 }
 
 helm: {
-	"certificate-issuer-public": {
+	"certificate-issuer": {
 		chart: charts["certificate-issuer-public"]
 		dependsOn: [{
 			name: "ingress-nginx"
@@ -31,10 +31,9 @@
 			issuer: {
 				name: input.name
 				server: "https://acme-v02.api.letsencrypt.org/directory"
-				// server: "https://acme-staging-v02.api.letsencrypt.org/directory"
 				domain: input.domain
 				contactEmail: global.contactEmail
-				ingressClass: ingressPublic
+				ingressClass: networks.public.ingressClass
 			}
 		}
 	}