UPDATE 1-Lippo, Caesars get green light to build casino on S.Korean island

* Resort to include foreigner-only casino, at least 2 hotels * Entire development to cost around 2.3 trln won By Joyce Lee and Narae Kim SEOUL, March 18 (Reuters) - South Korea on Tuesday granted a preliminary casino licence to a Lippo Ltd and Caesars Entertainment Corp venture to build a resort on Yeongjong island, as the government tries to court wealthy Chinese punters with an array of gambling options. It is the first time that foreign capital has received a preliminary cas