message: README: fix accidental namespaced use of cluster resource
diff: @@ -102,7 +102,7 @@ A low level streaming interface (similar to informers) that presents `Applied`,
  ```rust
  let api = Api::<Pod>::default_namespaced(client);
  -let mut stream = watcher(api, ListParams::default()).applied_objects();
  +let stream = watcher(api, ListParams::default()).applied_objects();
  ```
  This now gives a continual stream of events and you do not need to care about the watch having to restart, or connections dropping.
  @@ -120,7 +120,7 @@ NB: the plain items in a `watcher` stream are different from `WatchEvent`. If yo
  A `reflector` is a `watcher` with `Store` on `K`. It acts on all the `Event<K>` exposed by `watcher` to ensure that the state in the `Store` is as accurate as possible.
  ```rust
  -let nodes: Api<Node> = Api::default_namespaced(client);
  +let nodes: Api<Node> = Api::all(client);
  let lp = ListParams::default().labels("kubernetes.io/arch=amd64");
  let (reader, writer) = reflector::store();
  let rf = reflector(writer, watcher(nodes, lp));
  