added hifi assembly

.gitlab-ci.yml

docs/notebooks/Advanced_hpp_model.ipynb

docs/notebooks/ChangeLog.ipynb

docs/notebooks/Example_ISO_prob.ipynb

docs/notebooks/HPP_evaluation_BM.ipynb

docs/notebooks/HPP_evaluation_P2X.ipynb

docs/notebooks/Hybridize.ipynb

docs/notebooks/Quickstart.ipynb

docs/notebooks/break_even_price_and_PPA.ipynb

docs/notebooks/constant_output.ipynb

docs/notebooks/evaluate_with_reliability.ipynb

docs/notebooks/offshore.ipynb

docs/notebooks/sizing_with_reliability.ipynb

hydesign/HiFiEMS/DEMS.py

hydesign/HiFiEMS/Deg_Calculation.py

hydesign/HiFiEMS/__init__.py

hydesign/HiFiEMS/run.py

hydesign/HiFiEMS/utils.py

hydesign/Parallel_EGO.py

hydesign/assembly/hpp_assembly.py