Add lemonbar config and block scripts

.scripts/panel/wifi.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+ICON=""
+WIRELESS="${1:-wlan0}"
+
+if [ "$NOTIFY" = "1" ]; then
+	SSID="$(iw dev $WIRELESS link | awk '/SSID/ { print $2 }')"
+	IP="$(ip a show $WIRELESS \
+		| awk '/inet / { print substr($2, 0, length($2) - 3) }')"
+
+	notify-send -r 3 "Wifi" "\
+Interface: $WIRELESS
+SSID:      $SSID
+IP:        $IP"
+else
+	COLOR="-"
+	if [ ! -d /sys/class/net/${WIRELESS}/wireless ] ||
+		[ "$(cat /sys/class/net/$WIRELESS/operstate)" = 'down' ]; then
+
+		COLOR="$COLOR7"
+		DISPLAY="$ICON"
+	else
+		QUALITY=$(grep $WIRELESS /proc/net/wireless | \
+			awk '{ print int($3 * 100 / 70) }')
+
+		COLOR="$COLOR15"
+		DISPLAY="$ICON $QUALITY%"
+	fi
+
+	printf "%s\n" "wifi%{F$COLOR}%{A:NOTIFY=1 $0:}$DISPLAY%{A}%{F-}"
+fi