Hundreds of people — from toddlers to teenagers to seniors and everyone in between — spilled into Oakland Technical High School’s auditorium Sunday to learn how to resist the rise of authoritarianism under President Donald Trump. Nearly 1,000 people attended Get Ready: Noncooperation Training by Bay Resistance, a group advocating for racial, economic, climate and gender justice. Some participants sat on the floor or filed into overflow rooms. The session was meant to energize and inspire people as well as…