Add @lafriks as maintainer (go-gitea#57)

Author: lafriks

MAINTAINERS

@@ -13,3 +13,4 @@ Sandro Santilli <strk@kbt.io> (@strk)
 Thibault Meyer <meyer.thibault@gmail.com> (@0xbaadf00d)
 Thomas Boerger <thomas@webhippie.de> (@tboerger)
 Antoine Girard <sapk@sapk.fr> (@sapk)
+Lauris Bukšis-Haberkorns <lauris@nix.lv> (@lafriks)