Finished discord support!

I have now completed adding discord support to the bot. After some shuffling around I got the last commands working, and now the bot is fully configurable as well!

By editing config.js you can change all kinds of parameters, for example all api urls can be changed (although they should reply in a similar way to work), and you can change default values such as the default icon used, the default port per server type, and the timeout used for requests. You can also configure the width, height and font used for player images. I also

There is also a messages.js file now, where you can configure the messages the bot replies with, for example on a certain error and the footer used for discord component v2 embeds.