The Point Reyes Farmers Market kicked off its 30th season on Saturday with a low-key opening that promises to ramp up as the summer progresses. Dancing Crow Vineyards offered tastes to anyone ready for a breakfast-time tipple; Rodriguez Organic Ranch, the only purveyor of produce represented, turned out with its familiar array of organic vegetables and luscious berries; and Mr. Dim Sum served up its delectable lineup of Chinese dumplings. Two other food stands from…