tidyext 0.3.6

This is just to add an official release, but here is a summary over the past year.

• tidyext 0.3.6: Added row_min and row_max. Removed some dependencies.

• tidyext 0.3.5: Cleanup and update for R 4.0 and dplyr 1.0. Deprecate gather_multi and spread2.

• tidyext 0.3.1: Fix issue with create_prediction_data that would drop leading zeros.

• tidyext 0.3: Added row_sums, row_means, and row_apply