lib: revert to using a pipe for irc_bot_post Using a signal is discouraged and requires the bot to setup a dummy handler. Also protect the call to irc_bot_post to be fully threadsafe.

root = true

[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
indent_style = tab
indent_size = 8
trim_trailing_whitespace = true

[*.{html,xml,yml}]
indent_size = 4