feat: add support for multiple AutoML frameworks (TPOT, H2O, AutoGluon, FLAML) including data preprocessing and MLflow integration.

fix: update TPOT to 0.12.2 and apply SCORERS monkeypatch for sklearn 1.3 compatibility

feat: Restructure project into src/ directory and integrate DagsHub with enhanced MLflow utilities

Duplicate from streamlit/streamlit-template-space