add kali repo @raspbian

sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 7D8D0BF6
sudo vim /etc/apt/source.list.d/kali.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib