Support date, date/time, and time formatting functions

[david-waltermire]

User Story

As a Metapath author, I need to be able to format date, date/time, and time values.

Goals

Add support for Metapath functions that format date, date/time, and time values:

• fn:format-dateTime Returns a string containing an xs:dateTime value formatted for display.
• fn:format-date Returns a string containing an xs:date value formatted for display.
• fn:format-time Returns a string containing an xs:time value formatted for display.

Dependencies

none

Acceptance Criteria

• All website and readme documentation affected by the changes in this issue have been updated.
• A Pull Request (PR) is submitted that fully addresses the goals of this User Story. This issue is referenced in the PR.
• The CI-CD build process runs without any reported errors on the PR. This can be confirmed by reviewing that all checks have passed in the PR.

Revisions

No response