Lufthansa introduced a revamped onboard experience with upgraded meals, drinks, and amenities across all classes.First Class guests select their amenity kit items from a menu instead of receiving a fixed set like cosmetics from high-end German brand Dr. Babor.Credit: LufthansaLufthansa is proving that it's the little things that can make all the difference in going from a good to a great travel experience—and yes, that includes for flyers in Eco…