Enhancement: support for Kubernetes gateway API (#4643)

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>
Co-authored-by: lyons <gittea.sand@gmail.com>
Co-authored-by: Brett Dudo <brett@dudo.io>

docs/installation/k8s.md

@@ -216,6 +216,14 @@ rules:
     verbs:
       - get
       - list
+  - apiGroups:
+      - gateway.networking.k8s.io
+    resources:
+      - httproutes
+      - gateways
+    verbs:
+      - get
+      - list
   - apiGroups:
       - metrics.k8s.io
     resources: