Another huge deal has been struck in the race to control the new US sports and online betting industry.  Last month Caesars Entertainment, a casino, bought UK bookie William Hill for £2.9 billion. Before that in January, a fantasy sports app called DraftKings floated on the stock market and promptly got valued at $18 billion. And Ireland’s Flutter, owner of Paddy Power, bought a fantasy sports app called FanDuel for $158 million in 2018.  Now GAN is getting in on the act. GAN, the Smurfit-backed and formerly Dublin-listed gambling technology company, announced yesterday its buying an eastern European sports betting…