Merge branch 'master' of https://src.koda.cnrs.fr/CEFE/PACE/nirs_workflow

src/Class_Mod/DxReader.py

src/Class_Mod/HDBSCAN_Clustering.py

src/Class_Mod/KMEANS_.py

src/Class_Mod/Miscellaneous.py

src/pages/1-samples_selection.py

src/pages/4-inputs.py