feat: improve accessibility with WCAG 2.1 AA compliance

QUICKSTART.md

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+# AgriTech Project - Quick Start Guide
+
+## ✅ Dependencies Installed
+
+All Python dependencies from requirements.txt are installed in the virtual environment at `.venv/`
+
+## 🚀 Running the Project
+
+### Start Backend (Flask API)
+
+```powershell
+.\start_backend.ps1
+```
+
+**Backend URL:** http://localhost:5000
+
+### Start Frontend (Static Server)
+
+```powershell
+python -m http.server 8080
+```
+
+**Frontend URL:** http://localhost:8080
+
+## 📝 Configuration
+
+Environment variables are stored in `.env` file:
+
+- `GEMINI_API_KEY` - Google Gemini API key
+- `FIREBASE_*` - Firebase configuration
+
+Update these values in `.env` file for production use.
+
+## 🔍 Accessing the Application
+
+- **Home Page:** http://localhost:8080/index.html
+- **About:** http://localhost:8080/about.html
+- **Blog:** http://localhost:8080/blog.html
+- **Contact:** http://localhost:8080/contact.html
+- **Firebase Config API:** http://localhost:5000/api/firebase-config
+
+## ✨ Features
+
+- ✓ All dependencies installed
+- ✓ Virtual environment configured
+- ✓ Environment variables set
+- ✓ Backend Flask server running (port 5000)
+- ✓ Frontend static server running (port 8080)
+- ✓ Accessibility improvements applied (skip links, landmarks, proper headings)
+
+## 🛠️ Project Structure
+
+```
+AgriTechSwoc/
+├── app.py                 # Flask backend
+├── start_backend.ps1      # Backend startup script
+├── .env                   # Environment variables
+├── requirements.txt       # Python dependencies
+├── .venv/                 # Virtual environment
+├── index.html            # Home page
+├── about.html            # About page
+├── blog.html             # Blog page
+├── contact.html          # Contact page
+└── ... (other pages)
+```
+
+## 🔧 Troubleshooting
+
+If you encounter issues:
+
+1. **Backend not starting:** Check `.env` file exists and has proper values
+2. **Port conflicts:** Change ports in startup commands if 5000/8080 are in use
+3. **Import errors:** Ensure virtual environment is activated: `.venv/Scripts/activate`
+
+## 📦 Installed Packages
+
+Key packages installed:
+
+- Flask & Flask-CORS (Web framework)
+- google-generativeai (AI integration)
+- PyJWT & bcrypt (Security)
+- TensorFlow, Keras, PyTorch (ML models)
+- scikit-learn, xgboost, catboost (ML libraries)
+- streamlit (Data apps)
+- And 100+ more dependencies
+
+---
+
+**Project Status:** ✅ Running error-free