Added support for novation launchpad mk2

RGB.NET.Devices.Novation/Attributes/LedIdMappingAttribute.cs

@@ -0,0 +1,35 @@
+using System;
+
+namespace RGB.NET.Devices.Novation.Attributes
+{
+    /// <inheritdoc />
+    /// <summary>
+    /// Specifies the led id mapping of a field.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Field)]
+    internal class LedIdMappingAttribute : Attribute
+    {
+        #region Properties & Fields
+
+        /// <summary>
+        /// Gets the led id mapping.
+        /// </summary>
+        internal LedIdMappings LedIdMapping { get; }
+
+        #endregion
+
+        #region Constructors
+
+        /// <inheritdoc />
+        /// <summary>
+        /// Initializes a new instance of the <see cref="T:RGB.NET.Devices.Novation.Attributes.LedIdMappingAttribute" /> class.
+        /// </summary>
+        /// <param name="ledIdMapping">The led id mapping.</param>
+        internal LedIdMappingAttribute(LedIdMappings ledIdMapping)
+        {
+            this.LedIdMapping = ledIdMapping;
+        }
+
+        #endregion
+    }
+}