feat: support insertAll for range

[Linchin]

• _range_to_json() conversion function to use insertAll
• unit tests for the conversion functions
• supports client.insert_rows() with dictionary and tuple, in the form of a dictionary or string literal
• adds client.insert_rows() unit tests for each case we do not test for inserting different data types here
• client.insert_row_from_dataframe() just works

Fixes #<issue_number_goes_here> 🦕