chat: multi-lines input: - text input is now multi-lines and grows with the text (up to a max) - on touch devices (i.e. on Android), an icon is added to the right to send the message, allowing to use virtual enter key for multi-lines messages

[DEFAULT]
bridge = pb
log_level = debug
log_fmt = #[%%(levelname)s][%%(name)s] %%(message)s

[cagou]
log_level = debug
log_fmt = [%%(levelname)s][%%(name)s] %%(message)s