fixed dunst dynamic height and added rofi app launcher

.config/dunst/dunstrc

@@ -27,7 +27,7 @@
     width = 300
 
     # The maximum height of a single notification, excluding the frame.
-    height = 300
+    height = (0,300)
 
     # Position the notification in the top right corner
     origin = top-right

.config/rofi/config.rasi

@@ -0,0 +1,8 @@
+configuration {
+  modes: [ combi ];
+  combi-modes: [ window, drun, run ];
+}
+
+//@theme "Arthur"
+
+@theme "/usr/share/rofi/themes/rounded-blue-dark-copy.rasi"