* am/gui: Implement Wake-up message.
This implement the ability to send a Wake-up (Resume) message to the guest.
Sometime games needs to Sleep and Wake-up the switch to unlock some ingame features.
* Address gdkchan feedback
* Refactoring HOS folder structure
Refactoring HOS folder structure:
- Added some subfolders when needed (Following structure decided in private).
- Added some `Types` folders when needed.
- Little cleanup here and there.
- Add services placeholders for every HOS services (close#766 and #753).
* Remove Types namespaces
