[add] migration script

api/migrations/versions/4e89970f9e7c_202603271515.py

@@ -0,0 +1,30 @@
+"""202603271515
+
+Revision ID: 4e89970f9e7c
+Revises: 6b8a461148ff
+Create Date: 2026-03-27 15:12:27.518344
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '4e89970f9e7c'
+down_revision: Union[str, None] = '6b8a461148ff'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('phone', sa.String(length=50), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('users', 'phone')
+    # ### end Alembic commands ###