Listen config
If type is unix, path is the path where to create the socket.
If type is tcp, port and host are the host/port where to listen.
Profile directory
The profile_dir specifies which directory to put Chromium user data directories.
URL
url specifies the URL of the index page of the LINE extension for your Chromium installation.
Extension directory
The extension_dir specifies which directory contains the files for the LINE extension, which you must download yourself.
DevTools
Set devtools to true to launch Chromium with DevTools enabled by default.