BERLIN, Jan 20 : The Audi Formula One team showed off their debut livery on Tuesday to set the clock ticking on a five-year plan to challenge for championships by 2030. Bosses spoke also of the need for hard work and humility at the Swiss-based outfit that previously competed as Sauber and finished ninth of 10 teams in their last season under that name. "We are just at the beginning of our journey, it's a starting point," project head Mattia Binotto told guests in the Kraftwerk Berlin former