* add ability to preview and edit versions
* add specs for get app versions
* create new app versions from prev definition
* fixes
* move default slug creation outside typeorm transaction
* set slug as app id when null
* fix app creation response
* fix entities not loading on test env
* add e2e test for version creation scenarios
Co-authored-by: navaneeth <navaneethpk@outlook.com>
* Add end-point that deletes an application
Deleting an application will also delete its corresponding
data sources, data queries and app versions.
* Add unit test for app deletion end-point
* Additional e2e test for delete app end-point
This test ensures that non-admin user cannot delete apps.