A Reno company doubled down on its big bet on the continued residential renaissance of Midtown.In a $2 million, all-cash transaction, Marmot Companies acquired a 17-building package of 31 housing units just south of the new Terry Lee Wells Nevada Discovery Museum.The company now is investing another $1 million in renovation of the homes that it dubbed "The Assemblage," says Eric Raydon, one of three brothers who launched Marmot Companies."It will be a long-term project, sort of a rolling rehab," Raydon says.The company's newest acquisitions all are in an L-shaped area straddling Sinclair Street between Stewart and Moran streets.The eastern …