Nivedan Rathi on Instagram: "What if a crappy hand-drawn sketch could turn into a full app in under 5 minutes? What if you could build without knowing how to code at all? Small kirana shops still write accounts in notebooks — not because they’re outdated, but because typing every entry digitally is painful. So I asked AI to solve it. I opened Replit, uploaded my bad sketch, and gave one simple prompt: “Make an app where shop owners can snap one photo of their notebook, extract entries via OCR, c