AgenticEDA: Scaffold JupyterLab Extension for future use

[indrayudd]

The Agent will eventually be integrated as the backend of a JupyterLab extension.

The goal is to have a working JupyterLab extension with a basic chatbot frontend (TypeScript) and a barebones backend (Python) that the future Agentic EDA workflow can be integrated onto.

FYI: @tkpratardan @gpsaggese