Automatic wallpaper from cli

Thanks to https://github.com/sindresorhus/wallpaper pastarr is cross-platform (windows, mac, linux)

$ npm install -g pastarr

You can search from different website : google, deviantart or unsplash

$ pastarr -S "assassin's creed"

$ pastarr -S "assassin's creed" -W 1920 -H 1200 -O deviantart

sometimes promise fails, so retry :)