Enhancement: incorporate preclinical variable 'GROUP'

[js3110]

Description

For preclinical users, the possibility to group the results by a variable called GROUP, which will be always added in the input files (usually the group corresponds to the treatment, but in preclinical settings is more common to refer to it as group).

Definition of Done

The requirements for the feature to be complete:

• Include GROUP column as option in the data preparation and Results sections
• Only use GROUP if column is present in dataset, otherwise there should be no changes
• Option in Descriptive statistics to group by GROUP col (if present)