init alembic (#74)

* init alembic

* better

* readme

alembic/versions/fe943b098418_init_alembic.py

@@ -0,0 +1,26 @@
+"""init alembic
+
+Revision ID: fe943b098418
+Revises: 
+Create Date: 2023-08-19 01:37:57.031933
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'fe943b098418'
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    pass
+
+
+def downgrade() -> None:
+    pass