Update READMEs to include links to AI Hypercomputer on cloud.google.com

Author: tpdownes

README.md

@@ -10,6 +10,16 @@ networking, storage, etc.) following Google Cloud best-practices, in a repeatabl
 manner. The Cluster Toolkit is designed to be highly customizable and extensible,
 and intends to address the AI/ML and HPC deployment needs of a broad range of customers.
 
+## AI/ML Hypercomputer
+
+The Cluster Toolkit is an integral part of [Google Cloud AI Hypercomputer][aihc].
+Documentation concerning AI Hypercomputer solutions is available for
+[GKE][aihc-gke] and for [Slurm][aihc-slurm].
+
+[aihc]: https://cloud.google.com/ai-hypercomputer/docs
+[aihc-gke]: https://cloud.google.com/ai-hypercomputer/docs/create/gke-ai-hypercompute
+[aihc-slurm]: https://cloud.google.com/ai-hypercomputer/docs/create/create-slurm-cluster
+
 ## Detailed documentation and examples
 
 The Toolkit comes with a suite of [tutorials], [examples], and full

community/examples/README.md

@@ -1,6 +1,7 @@
 # Example Blueprints
 
-This directory contains a set of community example blueprint files that can be
-fed into gHPC to create a deployment. For more information on how to read, write
-and configure a custom blueprint, see
-[the core examples folder](../../examples/README.md).
+This directory contains blueprints contributed externally by the community.
+These can be used by the Toolkit to provision your infrastructure.
+
+They are documented in the [the core examples folder](../../examples/README.md)
+along with [community support guidelines](../../examples/README.md#blueprint-descriptions).

examples/machine-learning/README.md

@@ -1,8 +1,14 @@
 # AI / ML Toolkit Blueprints
 
-## Examples
+The directories below contain solutions for provisioning Slurm clusters using
+the latest VM families from Google Cloud
 
-- VMs containing NVIDIA H100 GPUs for large-scale AI/ML workloads such as model
-  training
-  - [a3-highgpu-8g](a3-highgpu-8g) VMs in a Slurm cluster
-  - [a3-megagpu-8g](a3-megagpu-8g) "A3 Mega" VMs in a Slurm cluster
+- [A3 High](a3-highgpu-8g)
+- [A3 Mega](a3-megagpu-8g)
+- [A3 Ultra](a3-ultragpu-8g)
+- [A4](a4-highgpu-8g)
+
+Further documentation for A3 Ultra and A4 solutions are available at
+[Create an AI-optimized Slurm cluster][aihc-slurm].
+
+[aihc-slurm]: https://cloud.google.com/ai-hypercomputer/docs/create/create-slurm-cluster