[server] Create setup sidebars script
Test Plan: Run the script when the columns were present and check the result. Drop columns, run and check again.
Reviewers: ashoat
Reviewed By: ashoat
Subscribers: KatPo, zrebcu411, Adrian, atul, subnub, karol-bisztyga
Differential Revision: https://phabricator.ashoat.com/D704