dfr into-lazy for lazyframe

Converts a dataframe into a lazy dataframe.

Signature

> dfr into-lazy

Input/output types:

input	output
any	any

Examples

Takes a dictionary and creates a lazy dataframe

> [[a b];[1 2] [3 4]] | dfr into-lazy

Tips: Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe flag