Fix Ingress resources in docs (#7579)

* fix Ingress resources in docs

Signed-off-by: Gerald Pape <gerald@giantswarm.io>

* move to ingressClassName

* fix more Ingress resource examples

* empty commit

Signed-off-by: Gerald Pape <gerald@giantswarm.io>

* make NOTES.txt aware of version + add notice about ingress version to examples main page

* add link to legacy documentation

Signed-off-by: Gerald Pape <gerald@giantswarm.io>

docs/examples/tls-termination/README.md

@@ -22,6 +22,7 @@ spec:
       # This assumes tls-secret exists and the SSL
       # certificate contains a CN for foo.bar.com
       secretName: tls-secret
+  ingressClassName: nginx
   rules:
     - host: foo.bar.com
       http:
@@ -32,7 +33,7 @@ spec:
             # This assumes http-svc exists and routes to healthy endpoints
             service:
               name: http-svc
-              port: 
+              port:
                 number: 80
 ```
 

docs/examples/tls-termination/ingress.yaml

@@ -3,6 +3,7 @@ kind: Ingress
 metadata:
   name: nginx-test
 spec:
+  ingressClassName: nginx
   tls:
     - hosts:
       - foo.bar.com