StorageStat: Improve output #2486

This improves the output a little of StorageStat to make it easily read.

plugins/storagestat.koplugin/main.lua

@@ -24,8 +24,8 @@ local StorageStat = WidgetContainer:new{
         callback = function()
             local std_out = io.popen(
                 "df -h | sed -r 's/ +/ /g' | grep " .. filter ..
-                " | cut -d ' ' -f 3,4,5,6 | " ..
-                "awk '{print $4 \" U\" $1 \" F\" $2 \" P\" $3}'"
+                " | cut -d ' ' -f 2,3,4,5 | " ..
+                "awk '{print \"Internal Storage: \\n Available: \" $3\"/\" $1 \"\\n Used: \" $4}'"
             )
             local msg
             if std_out then