Solved
AEM Author mode. Two column / column control
In which cases Column Control component and 2 Columns components don't have any options in Column Layout (like Geometrixx examples):
2 Columns (50%, 50%)
3 Columns (33%, 33%, 33%)
4 Columns (16%, 16%, 16%, 33%)
5 Columns (20%, 20%, 20%, 20%, 20%)
How to add this values in the Column Layout (a dropdown list in the dialog)?