ElectronNET.API: Move API code to subfolder

src/ElectronNET.API/API/Entities/TitleBarStyle.cs

@@ -0,0 +1,31 @@
+using Newtonsoft.Json;
+
+namespace ElectronNET.API.Entities
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public enum TitleBarStyle
+    {
+        /// <summary>
+        /// The default style
+        /// </summary>
+        [JsonProperty("default")]
+        defaultStyle,
+
+        /// <summary>
+        /// The hidden
+        /// </summary>
+        hidden,
+
+        /// <summary>
+        /// The hidden inset
+        /// </summary>
+        hiddenInset,
+
+        /// <summary>
+        /// The custom buttons on hover
+        /// </summary>
+        customButtonsOnHover
+    }
+}