[Kbm] Save the remaps to file[part-1] (#2184)

* Added Inital FileWatcher Implementation

* Added logic to read remap from file

* Added remap logic save to file

* Refactor code

* Moved the strings to constant file

* Added logic to handle Win key

* Updated filewatcher logic to avoid duplicate events

* Added comments

* Fix spacing

* Fix spacing

* Update logic to accomodate upstream merge

* Added global property name for os level shortcuts

* Added subkey for inprocess keys

* Remove non required file

* Added Changes required after merge

* Fix spacing in Helper.cpp

src/core/Microsoft.PowerToys.Settings.UI.Lib/ShortcutsKeyDataModel.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace Microsoft.PowerToys.Settings.UI.Lib
+{
+    public class ShortcutsKeyDataModel
+    {
+        [JsonPropertyName("global")]
+        public List<KeysDataModel> GlobalRemapShortcuts { get; set; }
+    }
+}