**What**
Update the `MedusaService` class, factory and types to remove the concept of main modules. The idea being that all method will be explicitly named and suffixes to represent the object you are trying to manipulate.
This pr also includes various fixes in different modules
Co-authored-by: Stevche Radevski <4820812+sradevski@users.noreply.github.com>
Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>
* feat: Add email pass authentication provider package
* feat: Revamp auth module and remove concept of scope
* feat: Revamp the auth module to be more standardized in how providers are loaded
* feat: Switch from scope to actor type for authentication
* feat: Add support for per-actor auth methods
* feat: Add emailpass auth provider by default
* fix: Add back app_metadata in auth module
