fix: print legacy message in bard cookies class

bardapi/core_cookies.py

@@ -1,3 +1,5 @@
+# The Python file is considered legacy and will only be used up to version 0.1.39.
+
 import os
 import re
 import string
@@ -42,6 +44,8 @@ def __init__(
             run_code (bool, optional, default = False): Whether to execute code included in the answer (Python only).
             token_from_browser (bool, optional, default = False): Whether to extract the token from browser cookies.
         """
+        print("The BardCookies class is no longer in use.")
+        print("Please use the Bard class with the 'cookie_dict' and 'multi_cookies_bool' arguments in the Bard constructor.")
         self.cookie_dict = cookie_dict or self._get_token(token_from_browser)
         self.proxies = proxies
         self.timeout = timeout