Jewelry designer Soni Bergman, who’s lived in Menlo Park for about 20 years, has art in her genes. Both her grandmother and mother are artists, the latter accomplished enough to have a piece accepted at the Museum of Contemporary Art in Chicago. “I pursued fine arts in college. Printmaking, to be exact,” she explained. “Later I came West with some girlfriends and ended up working full time as a technical illustrator. “But I was yearning to get out of high tech and started buy