Fixes bullet list of Zipkin components

[bartoszmajsak]

As it isn't rendered correctly on the website.


[codefromthecrypt]

thanks for the help! if interested in helping with content, there's a pending issue that just needs to be translated into a pull request. It is particularly about arch. https://github.com/openzipkin/openzipkin.github.io/issues/23

[bartoszmajsak]

I'm more of a coding guy, but let me see what I can do :)

Just assign me, I do it this or next week.

[codefromthecrypt]

:thumbsup: any help appreciated, even taking a look