── 📁 api/                  ← "The Front Door" - How people enter your app
│   │   ├── main.py              ← The main entrance
│   │   ├── 📁 routes/           ← Different doors for different purposes
│   │   ├── 📁 middleware/       ← Security checks at the door
│   │   └── 📁 schemas/          ← Forms people fill out