As the Congregation B’nai Harim prepares for its fourth annual Deli Nite today, organizers of the all-you-can-eat’ event want the community to know all are welcome. “You don’t have to be Jewish to eat Jewish food,” said Jay Sondheim, president of the Nevada County Jewish Community Center. From 5 to 8 p.m. at Miners Foundry Cultural Center, congregation volunteers will offer up authentic New York-style Jewish deli food that comes straight from the source. Organizers purchase most of the food from the same purveyors who supply the great delis in New York and Los Angeles. The pastrami, corned beef, salami …