Luring new employees continues to be struggle, and some Los Angeles businesses are dreaming up new perks much like tech companies did a dozen years ago.Take Tinder Inc., which offers employee courtship that goes far beyond the typical dating-app direct message. Free catered lunches and dinners are back on the menu, and the West Hollywood dating app has begun offering its employees a public transit benefit account through WageWorks Inc. for commuting into the office.