Add the configuration table migration

core/admin/migrations/versions/cd79ed46d9c2_.py

@@ -0,0 +1,25 @@
+""" Add a configuration table
+
+Revision ID: cd79ed46d9c2
+Revises: 25fd6c7bcb4a
+Create Date: 2018-10-17 21:44:48.924921
+
+"""
+
+revision = 'cd79ed46d9c2'
+down_revision = '25fd6c7bcb4a'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.create_table('config',
+    sa.Column('name', sa.String(length=255), nullable=False),
+    sa.Column('value', sa.String(length=255), nullable=True),
+    sa.PrimaryKeyConstraint('name')
+    )
+
+
+def downgrade():
+    op.drop_table('config')