Log Message:
devel/alire: import alire-2.0.0rc1

Packaged by Dmytro Kazankov in wip.

ALIRE: Ada LIbrary REpository

A catalog of ready-to-use Ada libraries plus a command-line tool (alr) to
obtain, build, and incorporate them into your own projects. It aims to
fulfill a similar role to Rust's cargo or OCaml's opam.