Add: cert-manager into resources certificates

Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com>

diagrams/onprem/certificates.py

@@ -0,0 +1,15 @@
+# This module is automatically generated by autogen.sh. DO NOT EDIT.
+
+from . import _OnPrem
+
+
+class _Certificates(_OnPrem):
+    _type = "certificates"
+    _icon_dir = "resources/onprem/certificates"
+
+
+class Certmanager(_Certificates):
+    _icon = "certmanager.png"
+
+
+# Aliases

docs/nodes/onprem.md

@@ -26,6 +26,10 @@ Node classes list of onprem provider.
 - **diagrams.onprem.cd.TektonCli**
 - **diagrams.onprem.cd.Tekton**
 
+## onprem.certificates
+
+- **diagrams.onprem.certificates.Certmanager**
+
 ## onprem.ci
 
 - **diagrams.onprem.ci.Circleci**, **CircleCI** (alias)