Add example status_command to default config

config.in

@@ -202,6 +202,11 @@ bindsym $mod+r mode "resize"
 # Read `man 5 sway-bar` for more information about this section.
 bar {
     position top
+
+    # When the status_command prints a new line to stdout, swaybar updates.
+    # The default just shows the current date and time.
+    status_command while date +'%Y-%m-%d %l:%M:%S %p'; do sleep 1; done
+
     colors {
         statusline #ffffff
         background #323232