DeviceDependentGenerator can now add suffix to the name of the generated types.

PerfectNumbers.Core/DeviceDependentTemplateAttribute.cs

@@ -5,11 +5,13 @@ namespace PerfectNumbers.Core;
 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, Inherited = false, AllowMultiple = false)]
 public sealed class DeviceDependentTemplateAttribute : Attribute
 {
-    public DeviceDependentTemplateAttribute(Type enumType)
+    public DeviceDependentTemplateAttribute(Type enumType, string? suffix = null)
     {
         EnumType = enumType ?? throw new ArgumentNullException(nameof(enumType));
+        Suffix = suffix;
     }
 
     public Type EnumType { get; }
-}
 
+    public string? Suffix { get; }
+}