feat(polybar): add updates module to polybar configuration

Add a new custom script module to check for system updates in the polybar status bar. The module runs fws-updates-check every 30 minutes and allows users to trigger updates with a left click to open the update utility in kitty terminal.

configs/releng/airootfs/usr/local/share/fws/polybar-config.ini

@@ -37,7 +37,7 @@ font-1 = Symbols Nerd Font:size=12;3
 font-2 = Noto Sans:weight=bold:size=10;2
 modules-left = i3 xwindow
 modules-center = date
-modules-right = keyhelp backlight pulseaudio network cpu memory tray
+modules-right = updates keyhelp backlight pulseaudio network cpu memory tray
 enable-ipc = true
 wm-restack = i3
 
@@ -79,6 +79,15 @@ label-font = 3
 format-background = ${colors.surface0}
 format-padding = 3
 
+[module/updates]
+type = custom/script
+exec = fws-updates-check
+interval = 1800
+click-left = kitty -e fws-update
+format-background = ${colors.surface0}
+format-foreground = ${colors.yellow}
+format-padding = 2
+
 [module/keyhelp]
 type = custom/script
 exec = echo "󰌌 Raccourcis"