docs: move rkt to external drivers

website/_redirects

@@ -319,6 +319,8 @@
 # Redirect old LXC driver doc to new one in /docs/external
 /docs/drivers/lxc.html                        /docs/drivers/external/lxc 301!
 /docs/drivers/lxc                             /docs/drivers/external/lxc 301!
+/docs/drivers/rkt.html                        /docs/drivers/external/rkt 301!
+/docs/drivers/rkt                             /docs/drivers/external/rkt 301!
 
 # API
 /docs/http/agent-force-leave            /api-docs/agent 301!

website/data/docs-navigation.js

@@ -192,11 +192,11 @@ export default [
       'java',
       'qemu',
       'raw_exec',
-      'rkt',
       {
         category: 'external',
         content: [
           'lxc',
+          'rkt',
           'podman',
           'singularity',
           'jail-task-driver',

website/pages/docs/drivers/external/index.mdx

@@ -22,6 +22,7 @@ plugins will have the same user experience as built in drivers.
 Below is a list of community-supported task drivers you can use with Nomad:
 
 - [LXC][lxc]
+- [Rkt][rkt]
 - [Podman][podman]
 - [Singularity][singularity]
 - [Jail task driver][jail-task-driver]
@@ -30,6 +31,7 @@ Below is a list of community-supported task drivers you can use with Nomad:
 - [Systemd-Nspawn][nspawn-driver]
 
 [lxc]: /docs/drivers/external/lxc
+[rkt]: /docs/drivers/external/rkt
 [plugin_guide]: /docs/internals/plugins
 [singularity]: /docs/drivers/external/singularity
 [jail-task-driver]: /docs/drivers/external/jail-task-driver

website/pages/docs/drivers/external/rkt.mdx

@@ -11,7 +11,7 @@ early adoption; in recent times user adoption has trended away from rkt towards
 other projects. Project activity has declined and there are unpatched CVEs.
 The project has been [archived by the CNCF](https://github.com/rkt/rkt/issues/4004#issuecomment-507358362)
 
-Nomad 0.11 will convert the rkt driver to an external driver. We will not prioritize features
+Nomad 0.11 converted the rkt driver to an external driver. We will not prioritize features
 or pull requests that affect the rkt driver. The external driver will be available as an open source
 repository for community ownership.