Move solution and projects to src

src/Ryujinx.HLE/HOS/Services/ServiceAttributes.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace Ryujinx.HLE.HOS.Services
+{
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+    class ServiceAttribute : Attribute
+    {
+        public readonly string Name;
+        public readonly object Parameter;
+
+        public ServiceAttribute(string name, object parameter = null)
+        {
+            Name      = name;
+            Parameter = parameter;
+        }
+    }
+}