[Staff] Create method for reviewing of chat logs

[captbunzo]

This could be via an IRC bot that is logging to a place that only staff or admins can access (as we decide) or perhaps something else. Access should be via a website.

[ejm]

All logs? Recent logs? Recent logs, Drathus has a script via JSONAPI, All logs, we can figure out dates by parsing our plethora of server.log files, but, having split them, it would be difficult