Feature Request: Cat Facts

[Ramsfield]

Create a new command for the bot (!catfacts?) that will pull from a database of catfacts and print one out at random.

Databases:
https://github.com/vadimdemedes/cat-facts/blob/master/cat-facts.json
https://gist.github.com/aetheryx/0ec1e3bb0b370a075d2080c6f673d294