📆 Feature:Add Date & Time to Each Note

### **🔍 Problem**
Notes don’t show when they were created/updated.

### **💡 Fix**
Add a timestamp display on each note card.

### **Why?** 
Helps in organizing or recalling notes chronologically.

### **🙋 Would You Like to Work on This Issue?**
Yes, I’d love to implement this feature 😊