Allow extensions to define cluster features (#1125)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/extensions/registries/index.ts

@@ -5,3 +5,4 @@ export * from "./menu-registry"
 export * from "./app-preference-registry"
 export * from "./status-bar-registry"
 export * from "./kube-object-menu-registry";
+export * from "./cluster-feature-registry"