wip(auth): add PersonalToken auth method

Author: fatemefallah

src/basalam_sdk/__init__.py

@@ -4,7 +4,7 @@
 This package provides a clean and simple interface to interact with Basalam's microservices.
 """
 
-from .auth import BaseAuth, ClientCredentials, AuthorizationCode, Scope
+from .auth import BaseAuth, ClientCredentials, AuthorizationCode, PersonalToken, Scope
 from .basalam_client import BasalamClient
 from .base_client import BaseClient
 from .chat.client import ChatService
@@ -29,6 +29,7 @@
     "BaseAuth",
     "ClientCredentials",
     "AuthorizationCode",
+    "PersonalToken",
     "Scope",
 
     # Configuration