enable GPU on demand on rag

[gsantopaolo]

create a script that allows some pods to run on GPU on the rag cluster
another script to stop the GPU instance

Make that K8 will do the GPU passthrough.

Service to run on GPU when enabled:

• semantic
• embedder (going to be renamed AI services)

https://learn.microsoft.com/en-us/azure/aks/gpu-cluster?tabs=add-ubuntu-gpu-node-pool

[noelhermans]

Quota increased requested with Microsoft, but was denied for Eastindia region.
@gsantopaolo requested quotas for EASTUS region, but it is not possbile to add a nodepool from another region to the Cognix AKS cluster

[noelhermans]

Waiting for Microsoft support to come back to us with list of GPU instances supported in East India region.