External sources sending file fixedre #9821
SQL for deleting external catalog items changed
re #9753
Added missing comments, code refactoring
re #9743
Database exported to script - removed initialization from application - updated docker-compose.yml to create volume and add data from script
re #9746
Added two external catalog items sources
re #9752
Added controller and some tests for external catalog
re #9624
Added loading of external catalog items