add auth context (#62)

* add user table and superuser creation

* add gpt-4-stream-aivvm provider

* rename user migration to auth migration

bot_microservice/core/auth/models/users.py

@@ -0,0 +1,22 @@
+from fastapi_users_db_sqlalchemy import SQLAlchemyBaseUserTable
+from fastapi_users_db_sqlalchemy.access_token import SQLAlchemyBaseAccessTokenTable
+from sqlalchemy import INTEGER, VARCHAR, ForeignKey
+from sqlalchemy.orm import Mapped, declared_attr, mapped_column
+
+from infra.database.base import Base
+
+
+class User(SQLAlchemyBaseUserTable[Mapped[int]], Base):
+    __tablename__ = "users"  # type: ignore[assignment]
+
+    id: Mapped[int] = mapped_column(INTEGER, primary_key=True)
+    email: Mapped[str] = mapped_column(VARCHAR(length=320), unique=True, nullable=True)  # type: ignore[assignment]
+    username: Mapped[str] = mapped_column(VARCHAR(length=32), unique=True, index=True, nullable=False)
+
+
+class AccessToken(SQLAlchemyBaseAccessTokenTable[Mapped[int]], Base):
+    __tablename__ = "access_token"  # type: ignore[assignment]
+
+    @declared_attr
+    def user_id(cls) -> Mapped[int]:
+        return mapped_column(INTEGER, ForeignKey("users.id", ondelete="cascade"), nullable=False)