Implemented layer elements

Added a brush layer element
Corsair - Added ST100 RGB layout

src/Artemis.Core/Services/LayerService.cs

@@ -0,0 +1,50 @@
+using Artemis.Core.Models.Profile;
+using Artemis.Core.Plugins.Exceptions;
+using Artemis.Core.Plugins.LayerElement;
+using Artemis.Core.Services.Interfaces;
+using Newtonsoft.Json;
+using Ninject;
+using Ninject.Parameters;
+
+namespace Artemis.Core.Services
+{
+    public class LayerService : ILayerService
+    {
+        private readonly IKernel _kernel;
+
+        public LayerService(IKernel kernel)
+        {
+            _kernel = kernel;
+        }
+
+        public LayerElement InstantiateLayerElement(Layer layer, LayerElementDescriptor layerElementDescriptor, string settings)
+        {
+            // Deserialize the settings, if provided
+            object deserializedSettings = null;
+            if (settings != null)
+            {
+                var settingsType = layerElementDescriptor.LayerElementType.GetProperty(nameof(LayerElement.Settings))?.PropertyType;
+                if (settingsType == null)
+                {
+                    throw new ArtemisPluginException(
+                        layerElementDescriptor.LayerElementProvider.PluginInfo,
+                        $"Layer element of type {layerElementDescriptor.LayerElementType} has no Settings property."
+                    );
+                }
+
+                deserializedSettings = JsonConvert.DeserializeObject(settings, settingsType);
+            }
+
+            var arguments = new IParameter[]
+            {
+                new ConstructorArgument("layer", layer),
+                new ConstructorArgument("settings", deserializedSettings),
+                new ConstructorArgument("descriptor", layerElementDescriptor)
+            };
+            var layerElement = (LayerElement) _kernel.Get(layerElementDescriptor.LayerElementType, arguments);
+            layer.AddLayerElement(layerElement);
+
+            return layerElement;
+        }
+    }
+}