* IPC refactor part 3 + 4: New server HIPC message processor with source generator based serialization
* Make types match on calls to AlignUp/AlignDown
* Formatting
* Address some PR feedback
* Move BitfieldExtensions to Ryujinx.Common.Utilities and consolidate implementations
* Rename Reader/Writer to SpanReader/SpanWriter and move to Ryujinx.Common.Memory
* Implement EventType
* Address more PR feedback
* Log request processing errors since they are not normal
* Rename waitable to multiwait and add missing lock
* PR feedback
* Ac_K PR 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
