Fix: Missing type information in TomlInstantiationException

Author: SamboyCoding

Tomlet/Exceptions/TomlInstantiationException.cs

@@ -1,7 +1,15 @@
-namespace Tomlet.Exceptions;
+using System;
+
+namespace Tomlet.Exceptions;
 
 public class TomlInstantiationException : TomlException
 {
-    public override string Message =>
-        "Deserialization of types without a parameterless constructor or a singular parameterized constructor is not supported.";
+    private readonly Type _type;
+
+    public TomlInstantiationException(Type type)
+    {
+        _type = type;
+    }
+    
+    public override string Message => $"Deserialization of types without a parameterless constructor or a singular parameterized constructor is not supported. Could not find a suitable constructor for type {_type.FullName}";
 }

Tomlet/TomlCompositeDeserializer.cs

@@ -142,7 +142,7 @@ private static object CreateInstance(Type type, TomlValue tomlValue, TomlSeriali
 
         if (!type.TryGetBestMatchConstructor(out var constructor))
         {
-            throw new TomlInstantiationException();
+            throw new TomlInstantiationException(type);
         }
 
         var parameters = constructor!.GetParameters();