Update src/streamlit_app.py

src/streamlit_app.py

@@ -9,7 +9,7 @@ st.write("Hello")
 
 # --- Payment Variables (MUST UPDATE) ---
 # !!! CRITICAL 1: Replace this placeholder with your actual PayPal email or Merchant ID. !!!
-PAYPAL_BUSINESS_EMAIL = "YOUR_PAYPAL_EMAIL@example.com"
+PAYPAL_BUSINESS_EMAIL = "maria.tsilimos@proton.me"
 CURRENCY_CODE = "USD"
 
 # !!! CRITICAL 2: URL to redirect the user to after they successfully complete payment on PayPal.