A decommissioned Cold War bunker in rural Nova Scotia is being recast as high-end housing, aimed at buyers who want a private place to shelter during disasters. The project reflects a growing appetite for security and resilience, but for most people, emergency preparedness is far less glamorous than a high-end bunker. What's happening? According to the BBC, Canadian crypto mogul Jonathan Baha'i plans to turn the former Debert "Diefenbunker," a 6…