Migration script for new email columns

!!!This will need to be merged with another migration happening in another ticket concurrently!!!

migrations/versions/25f846183f1c_new_email_attributes.py

@@ -0,0 +1,30 @@
+"""new-email-attributes
+
+Revision ID: 25f846183f1c
+Revises: 5c63a89ee7b7
+Create Date: 2021-10-06 10:11:37.963712
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '25f846183f1c'
+down_revision = '5c63a89ee7b7'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('email', sa.Column('cc', sa.String(), nullable=True))
+    op.add_column('email', sa.Column('bcc', sa.String(), nullable=True))
+    op.add_column('email', sa.Column('timestamp', sa.DateTime()))
+    op.add_column('email', sa.Column('workflow_id', sa.String(), nullable=True))
+
+
+def downgrade():
+    op.drop_column('email', 'cc')
+    op.drop_column('email', 'bcc')
+    op.drop_column('email', 'timestamp')
+    op.drop_column('email', 'workflow_id')