Dynamic settings

[Stargirl-chan]

Rather than settings options being set in a config.yaml file, we should implement a setting system where settings are stored in a DB.
This allows us to dynamically change specific options (channel blacklists, welcome messages, etc) from within discord, rather than needing to log into the server and edit the config file.

[Kirottu]

Yes, this could be done with either storing the config inside the program and updating it or with the database, database probably being the more extensible option allowing for external configuration edits.

[Kirottu]

Dynamic settings have been implemented on my development branch.