x11/wapanel: add new port

Simple panel/status bar/task bar for your custom stacking
Wayland-based desktop.

Features:

• Good configurability
• Config hot reload
• Exposed API for writing custom applets
• Custom themes with CSS

https://firstbober.github.io/wapanel/
(cherry picked from commit 87d2395554dec5d4f8422971a444bc8118ccdb87)