Add network config section for internet acces of pwnagotchi

[acbekoac]

on Linux host

sudo sysctl net.ipv4.ip_forward=1
sudo iptables -P FORWARD ACCEPT
sudo iptables -A POSTROUTING -t nat -o usb0 -j MASQUERADE -s 10.0.0.0/24
sudo iptables -t nat -nvL POSTROUTING

[evilsocket]

that's the linux_connection_sharing script