docs: add deprecation notice

Deprecation notice.

Signed-off-by: Andrey Smirnov <[email protected]>

website/content/_index.html

@@ -17,6 +17,11 @@ <h3 class="display-3 text-center mb-5"> Kubernetes Bare Metal Lifecycle Manageme
 
 <section class="">
   <div class="container">
+    <p class="text-center my-5 h5" style="color:red">Sidero Labs is no longer actively developing Sidero Metal.
+      For an alternative, please see <a href="https://github.com/siderolabs/omni.git">Omni</a>.
+      Unless you have an existing support contract covering Sidero Metal, all support will be provided by the community (including questions in our Slack workspace).
+    </p>
+
     <p class="text-center my-5 h5">
       Sidero Metal uses Cluster API to automate bare metal server provisioning and lifecycle management. Clusters are provisioned (or re-provisioned) automatically, delivering a secure Kubernetes deployment.
     </p>
@@ -56,7 +61,7 @@ <h3 class="display-4 text-center mb-3">Certified Kubernetes</h3>
 
   <div class="container">
     <p class="text-center my-5 h5">
-        Sidero Metal is an Open Source project from the Sidero Labs team. 
+        Sidero Metal is an Open Source project from the Sidero Labs team.
     </p>
     <div class="row">
       <div class="col-12 text-center">

website/content/v0.6/Getting Started/create-workload.md

@@ -45,7 +45,7 @@ clusterctl generate cluster cluster-0 -i sidero > cluster-0.yaml
 
 Take a look at this new `cluster-0.yaml` manifest and make any changes as you
 see fit.
-Feel free to adjust the `replicas` field of the `TalosControlPlane` and `MachineDeployment` objects to match the number of machines you want in your controlplane and worker sets, respecively.
+Feel free to adjust the `replicas` field of the `TalosControlPlane` and `MachineDeployment` objects to match the number of machines you want in your controlplane and worker sets, respectively.
 `MachineDeployment` (worker) count is allowed to be 0.
 
 Of course, these may also be scaled up or down _after_ they have been created,

website/content/v0.6/_index.md

@@ -9,21 +9,13 @@ menu: main
 
 Welcome to the Sidero Metal documentation.
 
+> :warning: Sidero Labs is no longer actively developing Sidero Metal.
+  For an alternative, please see <a href="https://github.com/siderolabs/omni.git">Omni</a>.
+  Unless you have an existing support contract covering Sidero Metal, all support will be provided by the community (including questions in our Slack workspace).
+
 ## Community
 
 - Slack: Join our [slack channel](https://slack.dev.talos-systems.io)
 - Forum: [community](https://groups.google.com/a/SideroLabs.com/forum/#!forum/community)
 - Twitter: [@SideroLabs](https://twitter.com/SideroLabs)
 - Email: [[email protected]](mailto:[email protected])
-
-If you're interested in this project and would like to help in engineering efforts, or have general usage questions, we are happy to have you!
-We hold a weekly meeting that all audiences are welcome to attend.
-
-### Office Hours
-
-- When: Second Monday of every month at 16:30 UTC.
-- Where: [Google Meet](https://meet.google.com/ivb-kjfm-jfc).
-
-You can subscribe to this meeting by joining the community forum above.
-
-> Note: You can convert the meeting hours to your [local time](https://everytimezone.com/s/599e61d6).