Prototypes file

[arsdever]

Create a prototypes file for each one of the projects which will contain the forward declarations of the classes and typedefs of their pointer types in that project.

// <project_name>_prototypes.h
class project_class;
using project_class_ptr = std::shared_ptr<project_class>;
using project_class_wptr = std::weak_ptr<project_class>;
using project_class_uptr = std::unique_ptr<project_class>;