General Assembly, the Manhattan-based tech trade school, is setting up shop in different cities both in the United States and abroad. To extend its footprint to Canada, it inked a deal to acquire Bitmaker , a tech and design accelerator based in Toronto. The move is part of a larger expansion plan in which the education startup, which has its headquarters in the Flatiron district, is actually going from 15 campuses to 25. "By expanding into new markets like Canada, and furthering our presence...