add i3 and polybar conf, add new rofi logout screen

polybar/scripts/wifistrength.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+SSID=$(iwgetid -r)
+SSIG=$(grep "$(iwgetid -m | awk '{ printf "%s", $1 }')" /proc/net/wireless | awk '{ printf "%i\n", int($3 * 100 / 70) }')
+
+if [[ $SSID ]]; then
+    echo "  $SSIG%"
+else
+    echo "睊 0%"
+fi