wip/mepo 0.4.2 NetBSD

Mepo is a fast, simple, and hackable OSM map viewer for desktop linux & mobile linux devices (like the Pinephone, Librem 5 etc.) and both environment's various user interfaces (Wayland & X inclusive). Mepo works both offline and online, features a minimalist both touch/mouse and keyboard compatible interface, and offers a UNIX-philosophy inspired underlying design, exposing a powerful command language called mepolang capable of being scripted to provide things like custom bounding-box search scripts, bookmarks, and more.