gatewayapi: adding support for TCPRoute and TLSRoute

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

pkg/provider/kubernetes/gateway/fixtures/httproute/with_protocol_https.yml

@@ -0,0 +1,63 @@
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: supersecret
+  namespace: default
+
+data:
+  tls.crt: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCi0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0=
+  tls.key: LS0tLS1CRUdJTiBQUklWQVRFIEtFWS0tLS0tCi0tLS0tRU5EIFBSSVZBVEUgS0VZLS0tLS0=
+
+---
+kind: GatewayClass
+apiVersion: networking.x-k8s.io/v1alpha1
+metadata:
+  name: my-gateway-class
+spec:
+  controller: traefik.io/gateway-controller
+
+---
+kind: Gateway
+apiVersion: networking.x-k8s.io/v1alpha1
+metadata:
+  name: my-gateway
+  namespace: default
+spec:
+  gatewayClassName: my-gateway-class
+  listeners:  # Use GatewayClass defaults for listener definition.
+    - protocol: HTTPS
+      port: 443
+      tls:
+        certificateRef:
+          kind: Secret
+          name: supersecret
+          group: core
+      routes:
+        kind: HTTPRoute
+        namespaces:
+          from: Same
+        selector:
+          matchLabels:
+            app: foo
+
+---
+kind: HTTPRoute
+apiVersion: networking.x-k8s.io/v1alpha1
+metadata:
+  name: http-app-1
+  namespace: default
+  labels:
+    app: foo
+spec:
+  hostnames:
+    - "foo.com"
+  rules:
+    - matches:
+        - path:
+            type: Exact
+            value: /bar
+      forwardTo:
+        - serviceName: whoami
+          port: 80
+          weight: 1