Let's have a default ingress class, eh?

Signed-off-by: Martyn Ranyard <m@rtyn.berlin>

everything-app/app-ingress-nginx.yaml

@@ -14,6 +14,8 @@ spec:
     targetRevision: 4.12.0
     helm:
       parameters:
+      - name: controller.ingressClassResource.default
+        value: true
       - name: controller.service.type
         value: LoadBalancer
       - name: controller.allowSnippetAnnotations