implement Demo App sections: Dialogs, Menu, Tray, Shell, CrashHang, Notification, Shortcuts etc. Fix some API bugs and implement GlobalShortcut-, Shell- and WebContents-API.

ElectronNET.API/Entities/ShortcutLinkOperation.cs

@@ -0,0 +1,20 @@
+namespace ElectronNET.API
+{
+    public enum ShortcutLinkOperation
+    {
+        /// <summary>
+        /// Creates a new shortcut, overwriting if necessary.
+        /// </summary>
+        create,
+
+        /// <summary>
+        /// Updates specified properties only on an existing shortcut.
+        /// </summary>
+        update,
+
+        /// <summary>
+        /// Overwrites an existing shortcut, fails if the shortcut doesn’t exist.
+        /// </summary>
+        replace
+    }
+}