sysutils/elio: New port: Snappy terminal file manager with rich previews and trash support

elio is a snappy, batteries-included terminal file manager written in Rust.

It provides rich previews, inline images, bulk actions, trash support,
themes, shell integration, and a fast TUI workflow for managing files
from the terminal.

WWW: https://elio-fm.github.io/
WWW: https://github.com/elio-fm/elio

PR: 296181
Reported by: Miguel Pérez Regueiro <miguelpr4242@gmail.com> (new maintainer)
Reviewed by: mce