Added new datetime functions and aliases to PPL#1807

Merged

MaxKsyunz merged 3 commits intoopensearch-project:mainfrom

Bit-Quill:integ-ppl-function-support

Jul 11, 2023

Commits on Jul 7, 2023

Added new datetime functions and aliases to PPL (#281)
matthewryanwells
committed
removed message about functions not working with dates with 0 month/day as those dates don't exist
matthewryanwells
committed
changed documentation to be in alphabetical order
matthewryanwells
committed