Developing the acro_summarise() function

[mahaalbashir]

Is your feature request related to a problem? Please describe.
Allowing R users to use the acro_summarise() function to mimic the behaviour of the R summarise()

Describe the solution you'd like
Develop a function (acro_summarise()) that uses under the hood the python pivot_table function to create the output and do the risk assessment checks.

Describe alternatives you've considered
None

Additional context
None