[CoreBundle] add basic composer.json file
[CoreBundle] add basic composer.json file

takeit/web-publisher,superdesk/web-publisher,takeit/web-renderer,takeit/web-publisher,takeit/web-renderer,takeit/web-renderer,superdesk/web-publisher,superdesk/web-publisher,takeit/web-publisher,superdesk/web-publisher,takeit/web-renderer