Refactoring HOS folder structure (#771)

* 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

Ryujinx.HLE/HOS/Services/Hid/HidServer/IActiveVibrationDeviceList.cs

@@ -0,0 +1,16 @@
+namespace Ryujinx.HLE.HOS.Services.Hid.HidServer
+{
+    class IActiveApplicationDeviceList : IpcService
+    {
+        public IActiveApplicationDeviceList() { }
+
+        [Command(0)]
+        // ActivateVibrationDevice(nn::hid::VibrationDeviceHandle)
+        public ResultCode ActivateVibrationDevice(ServiceCtx context)
+        {
+            int vibrationDeviceHandle = context.RequestData.ReadInt32();
+
+            return ResultCode.Success;
+        }
+    }
+}