Add Rocket.Chat hive

[dvob]

Add hive which allows to send messages into a Rocket.Chat channel.

[muesli]

Nice work! A few more comments:

• client.go could almost become its own library. I'm fine with it for now, seeing how the scope is still fairly limited, but it's something one should eventually think about.

• it would be nice to have events, too!

• the logo seems to be cut off at the right border?

[dvob]

Thank you for revewing the code. I added my self as author and changed the description of the alias setting.

When I find some time, I may implement support for events as well. But right now, for me sending messages has priority.
I agree that if the Rocket.Chat API client grows it should become its own library, but for now I think its ok like that. If I implement the event part I probably use https://github.com/detached/gorocket, but currently two things in gorocket are missing:

• authentication with user-id and auth-token
• get the channel ID by the channel name.

The logo looks good on me. Did you look at the logo in Github and didn't see the scrollbar under the picture?

[muesli]

Hah, sorry about that, you're right about the logo! LGTM!