Day 4 Breakdown – Subject Folder Creation (Backend + Frontend)

👩‍💻 Project: StudyFlow – Intelligent Self-Study Platform 🧠 Day: 4 / 15 🕰️ Time Spent: ~6 Hours 🎯 Goal: Implement Subject folder CRUD → Backend APIs + Zustand + UI Components ⚙️ Stack: MERN + Zustand + Tailwind + Shadcn UI ✅ What We Achieved Tod...