* feat(medusa): Improve exported medusa API
Avoid to always have to import from @medusajs/medusa/dist/*
* feat(medusa): The Model loaders should ignore the index file
* fix(medusa): swap model typo
* refactor(medusa): Cleanup + fix
* styles(medusa): Lint
* refactor(medusa): Finalize cleanup
* feat(medusa): Prefer the usage of bulk operations instead of sequential/conccurent operations
* feat(medusa): Improve cart service
* refactor(medusa): Explicitly specifying protected methods when needed as well as enfore the usage of the local transactionManager_ in those methods
* tests(medusa): Fix tests according to the new changes
* feat(medusa): Cleanup after rebase
* test(medusa): Fix cart service tests
* refactor(medusa-interfaces): Migrate baseService to TS + improve the service it self
* feat(medusa,medusa-interfaces): Cleanup and move base-service to medusa core
* medusa(medusa, medusa-interfaces): Improve typings
* medusa(medusa, medusa-interfaces): buildQuery make properties optionals
* feat(medusa-interfaces): Revert temporarly the medusa-interfaces while moving the base-service to the medusa core
* feat(medusa): Improve base-service typings
* feat(medusa): Remove template that is not necessary
At the moment, when the method `shouldRetryCondition` is called, the condition are using OR which does not take in count 0 which is also considered as false
a simple fix is the usage of nullish coalescing