feat(helm): add comment best practice startupProbe

Signed-off-by: Clement Phu <clement.phu@hotmail.fr>

Author: cleman95

charts/gateway-helm/values.tmpl.yaml

@@ -70,6 +70,9 @@ deployment:
       runAsUser: 65532
       seccompProfile:
         type: RuntimeDefault
+    # Kubernetes best practice for controllers: use a startupProbe with a generous
+    # failure threshold to avoid premature liveness/readiness failures during initialization.
+    # Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#define-startup-probes
     startupProbe:
       httpGet:
         path: /healthz