Add new scripts for system monitoring and remove deprecated scripts

scripts/neticon

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Wifi
+if [ "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'up' ]; then
+	wifiicon="$(awk '/^[[:space:]]*w/ { gsub(/[[:space:]]+/, " "); print " ", int($3 * 100 / 70) "% " }' /proc/net/wireless)"
+elif [ "$(cat /sys/class/net/w*/operstate 2>/dev/null)" = 'down' ]; then
+	wifiicon=" "
+fi
+
+# Ethernet
+[ "$(cat /sys/class/net/e*/operstate 2>/dev/null)" = 'up' ] && ethericon="󰛳 " || ethericon="󰅛 "
+
+printf "%s%s\n" "$wifiicon" "$ethericon"