Finished validation for the input, extended Input data structure and how to work with it for the extract_data_Era5, removed extract waves and its previous test as they have been deprecated in favor of extract_data_era5.pyRelated to Issue [SDTOOLBOX-15]
Adapted code for correct extraction of data.Changed parent private properties into internal so they are accessible from the inherited classes.Related to Issue [SDTOOLBOX-24]
Generation of output works now given a netcdf file path, it also generates an xarray.Extended functionality to directly call to generate output (does both netcdf and xarray).Related to Issue [SDTOOLBOX-22]