list: add role to s3 lists

fixes: #12

migrations/versions/7155ba7dec60_add_role_for_s3_lists.py

@@ -0,0 +1,32 @@
+"""add role for s3 lists
+
+Revision ID: 7155ba7dec60
+Revises: 0a0a65db7f01
+Create Date: 2022-05-11 16:07:30.363508
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '7155ba7dec60'
+down_revision = '0a0a65db7f01'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('mirror_list', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('role', sa.String(length=255), nullable=True))
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('mirror_list', schema=None) as batch_op:
+        batch_op.drop_column('role')
+
+    # ### end Alembic commands ###