Support for all services kinds (and sticky) in CRD

Co-authored-by: Jean-Baptiste Doumenjou <jb.doumenjou@gmail.com>
Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com>

pkg/provider/kubernetes/crd/fixtures/with_services_only.yml

@@ -0,0 +1,44 @@
+---
+kind: Endpoints
+apiVersion: v1
+metadata:
+  name: whoami5
+  namespace: default
+
+subsets:
+  - addresses:
+      - ip: 10.10.0.3
+      - ip: 10.10.0.4
+    ports:
+      - name: web
+        port: 8080
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: whoami5
+  namespace: default
+
+spec:
+  ports:
+    - name: web
+      port: 8080
+  selector:
+    app: containous
+    task: whoami5
+
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: TraefikService
+metadata:
+  name: wrr1
+  namespace: default
+
+spec:
+  weighted:
+    services:
+      - name: whoami5
+        kind: Service
+        weight: 1
+        port: 8080