charts: tailscale-proxy auto creates user with preauth key
diff --git a/charts/tailscale/values.yaml b/charts/tailscale/values.yaml
index 8f8b7e7..6ae525f 100644
--- a/charts/tailscale/values.yaml
+++ b/charts/tailscale/values.yaml
@@ -2,6 +2,8 @@
   repository: tailscale/tailscale
   tag: v1.42.0
   pullPolicy: IfNotPresent
+username: example
 hostname: example-ingress
 loginServer: headscale.example.com
 ipSubnet: 10.1.0.1/24
+preAuthKeySecret: example-key