Add Basic Guided Meditation & Wellness Reminder Feature

# 🧘‍♀️ Issue: Add Basic Guided Meditation & Wellness Reminder Feature

## 📝 Description
We need to implement a basic version of the guided meditation and wellness reminder system.
The goal is to allow users to experience simple mindfulness exercises and receive intelligent reminders throughout the day.

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## ✅ Tasks

- [ ] **Create Meditation Library**
- Add a few short guided meditation or breathing sessions (e.g., 2–5 minutes each).
- Store them locally or use sample audio/text files.

- [ ] **Mood-Based AI Suggestions**
- Add a basic AI logic (or placeholder) that suggests a meditation session based on:
- User’s logged mood (e.g., stressed, tired, calm).
- Time of day (morning, afternoon, night).

- [ ] **Wellness Reminders**
- Implement notifications/reminders for:
- Drinking water
- Taking short screen breaks
- Practicing a quick breathing exercise

- [ ] **UI/UX**
- Simple dashboard to:
- Select a meditation
- Log current mood
- View upcoming reminders

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## 🎯 Expected Outcome
A functional prototype that allows users to:
- Choose from basic meditation sessions.
- Receive automatic wellness reminders.
- Get AI-suggested exercises based on mood or time.

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## 💡 Future Enhancements (Optional)
- [ ] Add voice guidance or background music.
- [ ] Use real-time emotion detection (via text or voice input).
- [ ] Sync reminders with device notifications.