Add known Xfce issue to README
-rw-r--r-- 7186 README.md
-rwxr-xr-x 214 indicator-keyboard-led.desktop
-rwxr-xr-x 6098 indicator-keyboard-led.py
-rw-r--r-- 4120 indicator-keyboard-led.svg
drwxr-xr-x - locale
drwxr-xr-x - screenshots