Add Kubernetes Gateway Provider

Co-authored-by: Jean-Baptiste Doumenjou <925513+jbdoumenjou@users.noreply.github.com>

docs/content/reference/dynamic-configuration/kubernetes-gateway-traefik-lb-svc.yml

@@ -0,0 +1,56 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: traefik-controller
+
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: traefik
+
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: traefik-lb
+  template:
+    metadata:
+      labels:
+        app: traefik-lb
+    spec:
+      serviceAccountName: traefik-controller
+      containers:
+        - name: traefik
+          image: traefik/traefik:latest
+          imagePullPolicy: IfNotPresent
+          args:
+            - --entrypoints.web.address=:80
+            - --entrypoints.websecure.address=:443
+            - --experimental.kubernetesgateway
+            - --providers.kubernetesgateway
+          ports:
+            - name: web
+              containerPort: 80
+            - name: websecure
+              containerPort: 443
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: traefik
+spec:
+  selector:
+    app: traefik-lb
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: web
+      name: web
+    - protocol: TCP
+      port: 443
+      targetPort: websecure
+      name: websecure
+  type: LoadBalancer