Add health check route

app.py

@@ -147,6 +147,13 @@ from sklearn.metrics.pairwise import cosine_similarity
 import resend
 
 app = Flask(__name__)
+@app.route('/')
+def home():
+    return jsonify({
+        "status": "online",
+        "message": "EduConnect Afrika API is running successfully!",
+        "version": "1.0.0"
+    })
 # Autorise ton frontend Vercel à appeler cette API
 CORS(app)