Update config.py

Author: E5Anant

unisonai/config/config.py

@@ -14,7 +14,9 @@ class Config:
             'anthropic': None,
             'cohere': None,
             'groq': None,
-            'mixtral': None
+            'mixtral': None,
+            'helpingai': None,
+            'xai': None,
         }
     }