Feature request: support array data inputs

[elenasamuylova]

Description:

Sometimes users have array or vector-type columns that have a sequence of numbers, e.g. [1, 3, 4, 5, 6] Currently, we can only perform drift detection with such inputs if a user splits it into separate columns before passing the data to Evidently.

Possible implementation:

• We can support a new column array/vector type in column mapping, perform the split on the background, and apply embedding drift detection methods to the generated columns.
• Worth considering how to implement it for sequences of varying lengths.