BANGKOK — Thailand’s plans to legalize online gambling are raising fears that criminal gangs will use the industry to move and launder their illicit proceeds as they have done with gambling operators in neighboring countries. Prasert Jantararuangtong, Thailand’s minister of digital economy and society, said last week that a bill could be ready within a month. Former Prime Minister Thaksin Shinawatra, widely seen as a major force behind the current government, led by his daughter Paetongtarn Shinawatra, avidly endorsed the idea as well last week. The averred impetus for the push has been both economic and legal. Thaksin claimed a