INFRA: GCP app and model hosting support

[janaka]

Is your feature request related to a problem? Please describe. There's no GCP infra hosting support at all at the moment.

Describe the solution you'd like

We want to support one-click support just like Azure and AWS.

PaLm is the Google LLM

Describe alternatives you've considered n/a

Additional context If possible synth a template using IaC.