Update docs

Create tutorials

Create stage 4 Supervisor pattern agents. Refactor frontend

Create stage 3 ReWOO agent pattern

Clean up stage 1 and 2 workflows

Clean up the backend

Refactor model factory to pass model type and name on object creation time

Refactor and improve workflows and enable checkpointing

Improve system prompts and add struggle analysis as form of basic monitoring

Add new tools

Move backend to common

Add docs and minor UI improvements

Create Stage 1 demo script

Wrap agent with FastAPI and create simple frontend for quick demo

Create ReAct agent as part of stage 1