🌱 Build a Prolog Expert System for Plant Disease Diagnosis

### 🌿 Prolog Expert System: Plant Disease Diagnosis

Create a Prolog expert system to identify plant diseases based on symptoms like:

- Yellow leaves
- Wilting
- Leaf spots
- Stunted growth

📁 Save as:
```

src/06_expert_system/plant_diagnosis.pl

```

Add sample plant types (e.g., tomato, lettuce) and their rules.
