Add release 5 to docs. (#75)

Signed-off-by: Kurt Garloff <[email protected]>

Author: garloff

index.md

@@ -109,6 +109,14 @@ for OpenStack 0.7.x, Kubernetes 1.26.x, and Ubuntu 22.04 LTS.
 
 See [Release Notes for R4](https://github.com/SovereignCloudStack/release-notes/blob/34d7ccb8f05b70cbb89f5995f9d10eab2ab8c052/Release4.md) for more information.
 
+### Release 5 (2023-03-20)
+
+No stone was left unturned in this release. As such the list of highlights is long, but
+does include OpenStack 2023.1 (Antelope), Ceph Quincy, Cluster Stacks Technical Preview,
+Support for diskless flavors, and IPv6 support for east-west and north-south.
+
+See [Release Notes for R5](https://github.com/SovereignCloudStack/release-notes/blob/main/Release5.md) for more information.
+
 ### Roadmap
 
 We have a 6 month release cadence — R4 will follow in March 2023.

sidebarsDocs.js

@@ -327,6 +327,7 @@ const sidebarsDocs = {
         "releases/Release2",
         "releases/Release3",
         "releases/Release4",
+        "releases/Release5",
       ],
     },
     // {