Returns the team names accepted by a league's palette function. With no
argument it returns a named list covering every league.
Usage
colorr.teams(league = NULL)
Value
Character vector of team names, or a named list of them when league is
NULL.
Arguments
league
Character string naming a league, as returned by
colorr.leagues, or "soccer" for every soccer club at once. If
NULL (the default), teams for all leagues are returned as a named list.