add scraping functionality for Lipsia and improve error handling for image downloads

src/discord/webhook.py

@@ -33,6 +33,13 @@ def send_to_discord(property_data):
             # Download the image
             image_response = scrape_image.scrape_image(property_data["image_url"])
 
+            # Check if the image was downloaded successfully
+            if image_response == b"":
+                print("Fehler beim Herunterladen des Bildes: Leere Antwort")
+                payload = {"content": message}
+                response = requests.post(WEBHOOK_URL, data=json.dumps(payload), headers=headers)
+                return
+
             # Send the message with an image attachment
             files = {"file": ("image.jpg", image_response)}
             payload = {"content": message}