src/config/graphical-session/wayland.md: Add the river compositor

Osrepnay · ericonr · commit fa456aad4953 · 2021-11-29T02:15:56.000-03:00
diff --git a/src/config/graphical-session/wayland.md b/src/config/graphical-session/wayland.md
@@ -26,6 +26,7 @@ Void Linux currently packages the following Wayland compositors:
 - Wayfire: 3D Wayland compositor
 - Hikari: a stacking compositor with some tiling features
 - Cage: a Wayland kiosk
+- River: a dynamic tiling Wayland compositor
 
 ### Video drivers
 
