Add automatic GitHub webhook creation

migrations/versions/7a48dbd05780_.py

@@ -0,0 +1,24 @@
+"""empty message
+
+Revision ID: 7a48dbd05780
+Revises: df66c78e6791
+Create Date: 2020-01-24 21:52:49.744404
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '7a48dbd05780'
+down_revision = 'df66c78e6791'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('user', sa.Column('github_access_token', sa.String(length=50), nullable=True, server_default=None))
+
+
+def downgrade():
+    op.drop_column('user', 'github_access_token')