**what**
- Add support to remove resources by batch on discount conditions
- Add support on medusa-js and medusa-react
**Tests**
- Add integration tests to validate that the resources have been deleted and the length is the one expected
- Add unit tests on medusa react
FIXES CORE-609
* feat(medusa): Allow to add items to a discount condition by batch + cleanup of discounts and discount conditions end points
* style(medusa): cleanup catch and log
* feat(medusa-react, medusa-js): Add support to add item batch to discount condition
* cleanup
* cleanup
* rename items to resources
* fix(medusa-js): url
* Create fast-suns-repair.md
* update naming
* tests(integration): Update tests to reflect API changes
* feat(medusa): Delete a condition should be idempotent on discount and condition
* revert
