Move solution and projects to src

src/Ryujinx.HLE/Exceptions/InvalidStructLayoutException.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.HLE.Exceptions
+{
+    public class InvalidStructLayoutException<T> : Exception 
+    {
+        static readonly Type _structType = typeof(T);
+
+        public InvalidStructLayoutException(string message) : base(message) { }
+        
+        public InvalidStructLayoutException(int expectedSize)
+            : base($"Type {_structType.Name} has the wrong size. Expected: {expectedSize} bytes, got: {Unsafe.SizeOf<T>()} bytes") { }
+    }
+}