feat: Module Container Services Encapsulation - #224

What's new

• Modules can encapsulate services/providers within itself and they won't be exposed to other modules in the applications
• Modules can exports services/providers that can be accessed by other modules
• Core module services/providers can now be defined in Modules providers or in application config
• Added ModuleTreeManager service for better module application structure management
• Added ForwardRefModule module setup to allow module reference other registered module as dependency