[cwctl] add configure command to cw-ctl (closes #2709702)
usage: cw-ctl configure <appid> --param key=value,key2=value2 --param key3=value3
Add some entities
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As manager, you can access to entity creation forms by using the `site management`_ page.
.. _`site management`: manage
As regular user, the index page or the action box may propose some links to create entities according to the context.