data validation in progress and hierarchy parser fixed

remove end date

remove end datae

Update csv for unit testing. The optimization most up to date. Streamlit bit fixed

Change based on discussion with Christian. Humanizer and Fixed staff are not anymore interchangeable.

Finalize ETL and optimization

finalize etl / optimization configuration

Adding etl process and change fixed numbers into variables

Change fixed values into variables from the UI or the database

tarted working on database