Add 'navipy/forecasting/' from commit '18102ce6'

navipy/forecasting/src/Python/analysis_script.py

navipy/forecasting/src/Python/cozybank.py

navipy/forecasting/src/Python/evaluation_script.py

navipy/forecasting/src/Python/inv_stat.py

navipy/forecasting/src/Python/misc_script.py

navipy/forecasting/src/Python/reworked/Showcase.ipynb

navipy/forecasting/src/Python/reworked/data_generator.py

navipy/forecasting/src/Python/reworked/predictor_box.py

navipy/forecasting/src/Python/reworked/test_predictor_box.py

navipy/forecasting/src/Python/reworked/test_script.py

navipy/forecasting/src/Python/shorty.py