New port: editors/xi-term: Terminal frontend for xi-editor

[kai]

Summary

Formely xi-tui, xi-term is a terminal frontend for xi.

It is experimental and under development, so don't expect
anything magical (yet!).

WWW: https://github.com/xi-frontend/xi-term

PR: 237533
Submitted by: Nuno Teixeira

Test Plan

• poudriere (11.2-, 12.0-RELEASE, 13.0-CURRENT@r346346 amd64 + i386) -> OK
• portlint -> OK
• Runtime tests -> OK

Minor fixes from the original patch:

• Removed OPTIONS_DEFAULT=DOCS as DOCS is already set as default
• Rearranged GH_TUPLE and CARGO_USE_GITHUB to make future update/commits somewhat easier

[tobik]

Same nitpicks as in D20158:

• CARGO_USE_GITHUB in the wrong order
• INSTALL_MAN for installing documentation

editors/xi-term/pkg-descr

1–4 ↗

(On Diff #57050)

This is not a good pkg-descr. Maybe explain what xi is in a one or two sentences (or copy some sentences from xi-core's description).

[kai]

• Rearranged GH_TUPLE, CARGO_CRATES, CARGO_USE_GITHUB
• s/${INSTALL_DATA}/${INSTALL_MAN}/
• Improved pkg-descr by copying some lines from pkg-descr of www/xi-core

[tobik]

[kai]

Awesome, many thanks also here for your suggestions and the quick review!