add annotation to webui and gnbsim run server

Change-Id: I04941bec282754f077ea6eb726872f0c7caf228c
diff --git a/5g-control-plane/values.yaml b/5g-control-plane/values.yaml
index cfcce4f..c0e482e 100644
--- a/5g-control-plane/values.yaml
+++ b/5g-control-plane/values.yaml
@@ -220,6 +220,8 @@
     deploy: true
     #podAnnotations:
     serviceType: ClusterIP
+    # serviceAnnotations:
+    #   external-dns.alpha.kubernetes.io/hostname: "aether-config.tenant-site.company.com"
     urlport:
       port: 5000
       # Provide nodePort when serviceType is NodePort