Redirect plugins list (kubernetes-sigs#882)

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

README.md

@@ -1,57 +1,51 @@
 # krew-index
 
-This is the centralized plugin index for [krew kubectl plugin manager][krew].
+This repository is the centralized plugin index for [Krew (kubectl plugin
+manager)][krew-site]. It is meant to be useful only for plugin developers.
 
-* As a kubectl user: Through [krew][krew], you can discover available kubectl
-  plugins hosted in this repository.
-* As a kubectl plugin developer:  You can publish your plugins in this
-  repository and make it available to others.
+- **If you are a Krew user:** You can find the list of kubectl plugins at the
+  [Krew website](http://krew.sigs.k8s.io/plugins).
 
-[krew]: https://github.com/kubernetes-sigs/krew
+- **If you are a kubectl plugin developer:** Read the [Developer
+  Guide][dev-guide] to learn how to package and publish a plugin in this
+  repository.
 
-## Available kubectl plugins
-
-[See this list](./plugins.md) or the [`./plugins` directory](./plugins)
-directory. You can also install [krew][krew] and list available plugins with:
-
-    kubectl krew search
+[krew-site]: https://krew.sigs.k8s.io/
+[krew-repo]: http://sigs.k8s.io/krew
+[dev-guide]: https://krew.sigs.k8s.io/docs/developer-guide/
 
 ## Submitting new plugins
 
-To learn how to create a new plugin and submit it to krew-index, read the
-[Developer Guide](https://krew.sigs.k8s.io/docs/developer-guide/)
-and make a pull request to this repository.
+To learn how to create a new plugin and submit it to `krew-index`, read the
+[Developer Guide][dev-guide] and make a
+pull request to this repository.
 
 The decision criteria for plugins accepted to the centralized repository are
 evaluated on a case-by-case basis as the community arrives to a decision on
 the admission criteria for this repository.
 
-## Documentation
-
-- [Architecture](https://github.com/kubernetes-sigs/krew/blob/master/docs/KREW_ARCHITECTURE.md)
-- [Docs](https://github.com/kubernetes-sigs/krew/blob/master/docs/)
-- [Contributing](./CONTRIBUTING.md)  
+If your plugin is rejected from this repository, you can host your own [custom
+index](https://krew.sigs.k8s.io/docs/developer-guide/custom-indexes/) repository
+to distribute your plugin with Krew.
 
 ## Community
 
 ### Bug reports
 
-* If you're having a problem with a particular plugin's installation or
-  upgrades, file an issue in this repository.
-* If you have a problem with the Krew itself, please file an
-  issue in the [krew] repository.
-* If you're having an issue with an installed plugin, file an issue for the
-  repository the plugin's source code is hosted at.
+- If you're having an issue with an installed **plugin itself**, file an issue
+  for the repository the plugin's source code is hosted at.
+- If you're having a problem **installing or upgrading a plugin**, file an issue
+  in this repository.
+- If you have a problem with the **Krew itself**, please file an issue in the
+  [krew][krew-repo] repository.
 
 ### Communication channels
 
-* [Slack](https://kubernetes.slack.com/messages/krew) #krew
-* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-cli)
-* [Kubernetes Community site](http://kubernetes.io/community/)
+- [Slack](https://kubernetes.slack.com/messages/krew) #krew
+- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-cli)
+- [Kubernetes Community site](http://kubernetes.io/community/)
 
 ### Code of Conduct
 
 Participation in the Kubernetes community is governed by the [Kubernetes Code
 of Conduct](https://github.com/kubernetes-sigs/kustomize/blob/master/code-of-conduct.md).
-
-[index]:https://github.com/kubernetes-sigs/krew-index