Input - Added mouse support

Input - Added device identification

src/Artemis.Core/Services/Input/Events/InputProviderMouseButtonEventArgs.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace Artemis.Core.Services
+{
+    /// <summary>
+    ///     Contains data for input provider mouse button events
+    /// </summary>
+    public class InputProviderMouseButtonEventArgs : EventArgs
+    {
+        /// <summary>
+        /// </summary>
+        /// <param name="device">The device that triggered the event</param>
+        /// <param name="button">The button that triggered the event</param>
+        /// <param name="isDown">Whether the button is pressed down</param>
+        public InputProviderMouseButtonEventArgs(ArtemisDevice? device, MouseButton button, bool isDown)
+        {
+            Device = device;
+            Button = button;
+            IsDown = isDown;
+        }
+
+        /// <summary>
+        ///     Gets the device that triggered the event
+        /// </summary>
+        public ArtemisDevice? Device { get; }
+
+        /// <summary>
+        ///     Gets the button that triggered the event
+        /// </summary>
+        public MouseButton Button { get; }
+
+        /// <summary>
+        ///     Gets whether the button is pressed down
+        /// </summary>
+        public bool IsDown { get; }
+    }
+}