MEGA Barron Trump’s beverage brand has officially entered the market, weeks after The Blast reported that its first product was set to debut in May. Sollos, the company where Donald Trump’s youngest son is listed as one of five directors, has now launched its first ready-to-drink beverage, a canned Pineapple + Coconut Yerba Mate. Neither Barron nor his father has commented publicly on the 20-year-old’s exact role in the company. Barron Trump Ste…