Updating Data with new features

[aPovidlo]

Adding new features in Data class:

• [x] Storaging features_names in new field
• [x] Storaging features_types in new field
• [x] Storaging categorical_features in separetly new field or getting it with function from features_types
• [ ] Loading data from .npy format with new classmethod InputData.from_npy(...)
• [ ] Loading data from .arff format with new classmethod InputData.from_arff(...)
• [ ] ~Loading data with OpenML API by dataset id or name with new classmethod InputData.from_openml(...)~

[valer1435]

Добавил бы from_df()

[valer1435]

https://github.com/aimclub/FEDOT/issues/511 перекликается с этим