Allow to hide boards closed and backlog lists
What does this MR do?
Allow to hide closed and backlog lists from boards.
Part of #218031 (comment 387881750)
Migration output
== 20200730131946 AddHideListsToBoards: migrating =============================
-- add_column(:boards, :hide_backlog_list, :boolean, {:default=>false, :null=>false})
-> 0.0059s
-- add_column(:boards, :hide_closed_list, :boolean, {:default=>false, :null=>false})
-> 0.0018s
== 20200730131946 AddHideListsToBoards: migrated (0.0079s) ====================
Next step is to create a GraphQL mutation to allow editing it.
Edited by Felipe Cardozo