Tweak dunst timeouts

My priorities are strange...

- A long timeout so I'll notice a notification while doing other stuff
- An eventual clear so I don't drown in notifications I don't close
- An idle timeout so they're all there after a long AFK

I think this does the trick well-ish

.config/dunst/dunstrc

@@ -13,7 +13,7 @@
 	transparency = 0
 	frame_width = 2
 	sort = no
-	idle_threshold = 1
+	idle_threshold = 15m
 	markup = full
 	alignment = left
 
@@ -69,21 +69,25 @@ separator_color = "#f0f0f0"
 [base16_low]
 	msg_urgency = low
 	background = "#202020"
-	foreground = "#606060"
+	foreground = "#a0a0a0"
+	timeout = 5s
 
 [base16_normal]
 	msg_urgency = normal
 	background = "#311647"
 	foreground = "#f0f0f0"
+	timeout = 5m
 
 [base16_critical]
 	msg_urgency = critical
 	background = "#ed008c"
 	foreground = "#c0c0c0"
+	timeout = 0
 
 # %%base16_template_end%%
 
 [RSS]
+	# Squash RSS dir notifications because I only see them when *reading* aerc
 	appname = "aerc"
 	summary = "New mail in RSS from*"
 	format = ""