Merge branch 'develop' into 'release_v2.0.0'

.coveragerc

.gitlab-ci.yml

HPC_setup/create_runscripts_HPC.sh

HPC_setup/mlt_modules_hdfml.sh

HPC_setup/mlt_modules_juwels.sh

HPC_setup/requirements_HDFML_additionals.txt

HPC_setup/requirements_JUWELS_additionals.txt

HPC_setup/setup_venv_hdfml.sh

HPC_setup/setup_venv_juwels.sh

README.md

docs/_source/customise.rst

docs/_source/installation.rst

docs/requirements_docs.txt

mlair/data_handler/abstract_data_handler.py

mlair/data_handler/data_handler_mixed_sampling.py

mlair/data_handler/data_handler_single_station.py

mlair/data_handler/data_handler_with_filter.py

mlair/data_handler/default_data_handler.py

mlair/data_handler/input_bootstraps.py

mlair/data_handler/iterator.py