Document k3s image in v0.9.0 release notes

CHANGELOG.md

@@ -11,6 +11,7 @@ A U/X improvement has been made to the VM list command to show when the containe
 ignite has stored in the API objet.
 
 New base OS images and kernels have been released with the GitHub Actions release tools.
+A [`k3s`](https://k3s.io/) OS image is now pushed for amd64.
 The default kernel has been updated to `5.4.108`.
 
 This release consists of **37** noteworthy PR's from **6** contributors. **11** of these patches were sent by **3** external contributors.
@@ -73,6 +74,9 @@ https://hub.docker.com/r/weaveworks/ignite-ubuntu/tags?page=1&name=v0.9.0
 [ignite-kubeadm](
 https://hub.docker.com/r/weaveworks/ignite-kubeadm/tags?page=1&name=v0.9.0
 ) [multi-arch] v1.18.3 
+[ignite-k3s](
+https://hub.docker.com/r/weaveworks/ignite-k3s/tags?page=1&name=v0.9.0
+) v1.20.4 
 
 
 _________________

docs/releases/v0.9.0.md

@@ -7,6 +7,7 @@ A U/X improvement has been made to the VM list command to show when the containe
 ignite has stored in the API objet.
 
 New base OS images and kernels have been released with the GitHub Actions release tools.
+A [`k3s`](https://k3s.io/) OS image is now pushed for amd64.
 The default kernel has been updated to `5.4.108`.
 
 This release consists of **37** noteworthy PR's from **6** contributors. **11** of these patches were sent by **3** external contributors.
@@ -69,6 +70,9 @@ https://hub.docker.com/r/weaveworks/ignite-ubuntu/tags?page=1&name=v0.9.0
 [ignite-kubeadm](
 https://hub.docker.com/r/weaveworks/ignite-kubeadm/tags?page=1&name=v0.9.0
 ) [multi-arch] v1.18.3 
+[ignite-k3s](
+https://hub.docker.com/r/weaveworks/ignite-kubeadm/tags?page=1&name=v0.9.0
+) v1.20.4 
 
 
 _________________