dunst: add page (#16535)

pages/common/dunst.md

@@ -0,0 +1,21 @@
+# dunst
+
+> A lightweight and customizable notification daemon for X11 and Wayland.
+> If not started manually, D-Bus will automatically start `dunst` when a notification is sent.
+> More information: <https://dunst-project.org/documentation/dunst>.
+
+- Start `dunst`:
+
+`dunst`
+
+- Display a notification on startup:
+
+`dunst -startup_notification`
+
+- Print coming notifications to `stdout`:
+
+`dunst -print`
+
+- Use the specified configuration file (default: `$XDG_CONFIG_HOME/dunst/dunstrc`):
+
+`dunst -config {{path/to/file}}`