README: mention video feed

The video feed just got support for Wayland which allows OpenWrt devices
to run as a Kiosk (displaying browser content via a display).

The availability of these packages should be mentioned to users.

Signed-off-by: Paul Spooren <mail@aparcar.org>

README.md

@@ -60,6 +60,9 @@ packages to OpenWrt, please find the fitting repository below.
 * [OpenWrt Routing](https://github.com/openwrt/routing): Packages specifically
   focused on (mesh) routing.
 
+* [OpenWrt Video](https://github.com/openwrt/video): Packages specifically
+  focused on display servers and clients (Xorg and Wayland).
+
 ## Support Information
 
 For a list of supported devices see the [OpenWrt Hardware Database](https://openwrt.org/supported_devices)