Add pointers to the new kubernetes location

Signed-off-by: Ian Campbell <ijc@docker.com>

README.md

@@ -13,6 +13,10 @@ LinuxKit, a toolkit for building custom minimal, immutable Linux distributions.
 - Designed to be managed by external tooling, such as [Infrakit](https://github.com/docker/infrakit) or similar tools
 - Includes a set of longer-term collaborative projects in various stages of development to innovate on kernel and userspace changes, particularly around security
 
+## Subprojects
+
+- [LinuxKit kubernetes](https://github.com/linuxkit/kubernetes) aims to build minimal and immutable Kubernetes images. (previously `projects/kubernetes` in this repository).
+
 ## Getting Started
 
 ### Build the `moby` and `linuxkit` tools

projects/README.md

@@ -26,7 +26,6 @@ If you want to create a project, please submit a pull request to create a new di
   namespaces
 - [Memorizer](memorizer/) is a tool to trace intra-kernel
   memory operations.
-- [Kubernetes](kubernetes/) demonstrate how one can create minimal and immutable Kubernetes OS images with LinuxKit.
 
 ## Current projects not yet documented
 - VMWare support (VMWare)
@@ -36,3 +35,4 @@ If you want to create a project, please submit a pull request to create a new di
 
 - `aws/`: AWS support was merged into mainline in #1964.
 - `wireguard/`: [WireGuard](https://www.wireguard.com/) is now part of the default LinuxKit kernel and package set.
+- `kubernetes/`: Has been moved to https://github.com/linuxkit/kubernetes.

projects/kubernetes/README.md

@@ -0,0 +1,3 @@
+# Kubernetes and LinuxKit
+
+This project has now moved to https://github.com/linuxkit/kubernetes.