[polybar] Add icons to pomo timer

Added running and paused tomato icons; as well as break coffee icon.
Removed display of seconds, unless the last minute of a timer is
running.

polybar/.config/polybar/scripts/poly-pomo

@@ -23,7 +23,13 @@ restart_notify() {
 if [ -z "$1" ]; then
   run_notify
   while true; do
-    pomo clock
+    display=$(pomo clock)
+    # replace W (work)
+    #         B (break)
+    #         P (paused) with pomodoro symbols
+    # remove seconds *except for* when 00 minutes reached
+    display=$(echo "$display" | sed -e 's/P.*$/  /;s/W/ /;s/B/ /;/00:/! { s/:[[:digit:]]\+$// }')
+    echo "$display"
     sleep 1
   done
 elif [ "$1" = "toggle" ]; then