Koreader download and install script

[neil_swann80]

Basic script to download and install the latest version of Koreader directly from Pocketbook devices.

I may expand on the functionality if there's interest; perhaps adding uninstall and settings backup options.

#!/bin/sh
tmpDir=/var/tmp/koreader
rm -rf $tmpDir; mkdir $tmpDir; cd $tmpDir
curl -s https://api.github.com/repos/koreader/koreader/releases/latest \
| grep -wo "https.*pocketbook.*zip" | wget -qi -
unzip $tmpDir/$(ls) -d /mnt/ext1