editors/zed: Add port: Code at the speed of thought

Code at the speed of thought.

Zed is a high-performance, multiplayer code editor from the creators
of Atom and Tree-sitter. It's also open source.

WWW: https://zed.dev/

Committer's Note: The port is at version 0.198.6, whereas the latest
version is 0.212.5. Later versions than 0.198.6 depend on
"crash-handler" crate, which does not currently support FreeBSD.

Requested by: fuz (via private email)