Update team.mkd to add my areas of interest

team.mkd

@@ -18,7 +18,7 @@ If you don't want to be a member of the team, make a PR to remove yourself.
 | Alexis King           | @lexi.lambda        |                                                       |
 | Andreas Klebinger     | @andreask           | Code Generation, RTS, Runtime Performance             |
 | Andreask Schwab       | @schwab             |                                                       |
-| Andrei Borzenkov      | @sand-witch         |                                                       |
+| Andrei Borzenkov      | @sand-witch         | parser, renamer, also want to do typechecker          |
 | Bartłomiej Cieślar    | @barci2             |                                                       |
 | Ben Gamari            | @bgamari            |                                                       |
 | Bryan Richter         | @chreekat           | Contributor workflow, gitlab.haskell.org, CI          |