add niri and update nvim config

.config/dunst/dunstrc

@@ -1,13 +1,13 @@
 [global]
-	monitor = 1
+	monitor = 3
 
 	follow = none
 	sort = yes
 
 	width = (0,600)
 	transparency = 30
-	padding = 6
-	horizontal_padding = 6
+	padding = 5
+	horizontal_padding = 10
 	frame_width = 1
 	frame_color = "#00c0b0"
 	corner_radius = 3
@@ -22,7 +22,7 @@
 
 	scale = 0
 
-	notification_limit = 5
+	notification_limit = 3
 	timeout = 8
 
 	progress_bar = true