Add gateway api to docs. And ESLint rules.

docs/configs/kubernetes.md

@@ -8,6 +8,7 @@ The Kubernetes connectivity has the following requirements:
 - Kubernetes 1.19+
 - Metrics Service
 - An Ingress controller
+  - Optionally: Gateway-API
 
 The Kubernetes connection is configured in the `kubernetes.yaml` file. There are 3 modes to choose from:
 
@@ -19,6 +20,12 @@ The Kubernetes connection is configured in the `kubernetes.yaml` file. There are
 mode: default
 ```
 
+To enable Kubernetes gateway-api compatibility, add the following setting:
+
+```yaml
+route: gateway
+```
+
 ## Services
 
 Once the Kubernetes connection is configured, individual services can be configured to pull statistics. Only CPU and Memory are currently supported.
@@ -140,6 +147,9 @@ spec:
 
 If the `href` attribute is not present, Homepage will ignore the specific IngressRoute.
 
+### Gateway API HttpRoute support
+Homepage also features automatic service discovery for gateway-api. Service definitions are read by annotating the HttpRoute custom resource definition and are indentical to the Ingress example as defined in [Automatic Service Discovery](#automatic-service-discovery).
+
 ## Caveats
 
 Similarly to Docker service discovery, there currently is no rigid ordering to discovered services and discovered services will be displayed above those specified in the `services.yaml`.

docs/installation/k8s.md

@@ -215,6 +215,15 @@ rules:
     verbs:
       - get
       - list
+  # if using gateway api add the following:
+  # - apiGroups:
+  #     - gateway.networking.k8s.io
+  #   resources:
+  #     - httproutes
+  #     - gateways
+  #   verbs:
+  #     - get
+  #     - list
   - apiGroups:
       - metrics.k8s.io
     resources: