Use SSL? Don’t forget to adjust the port if you do.
Username when connecting. (Not the nickname.)
ircname/realname to appear when people /whois the bot.
What channels to join? (Currently limited to one)
Channel passwords in channel: password format, if needed.
The bot’s nickname is defined in the Bot section
Some servers allow you to authenticate using user/password at connect time. This is the case of most bouncer software and of FreeNode’s NickServ:
[Server]
username=username
password=secret
See q_auth: Q authentication after adding q_auth to your module list.