set llama3-70b as a default model

Author: CuriousDima

telegram-bot/db_client.py

@@ -15,7 +15,7 @@ class Account(SQLModel, table=True):
     user_id: str = Field(index=True, sa_type=BigInteger)  # Telegram user ID
     username: str | None
     provider: Provider = Field(default=Provider.GROQ)
-    model: Model = Field(default=Model.GEMMA)
+    model: Model = Field(default=Model.LLAMA3_70B)
     tokens_balance: int = Field(default=_NUM_TOKENS_DEFAULT)
     # Whether the user is a friend of the bot owner.
     # This is used to give the user an unlimited token balance.