Add icon for Zed

[just-ero]

Requirements

• I have searched the (also closed) issues for the icon and found nothing related or helpful
• I have searched the suggestion list

Justification

Zed is a code editor. Other code editors have their logos as icons.

Description

https://zed.dev/
https://zed.dev/brand/

Use scenario

Folder icon.

Icon license

Not sure.