Add keyboard manager settings ui[Part-1] (#1979)

* Added view and data models for keyboard remapper settings page

* Added intial UI of Keyboard manager settings page

* Fixed Sln file configs

* Resolve UI changes PR comments

* Added UId for UI elements

* Moved Ui strings to resx

* resolve stylecop warnings

* Fixed missing tag from resx file

src/core/Microsoft.PowerToys.Settings.UI/ViewModels/KeyboardManagerViewModel.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 Microsoft.PowerToys.Settings.UI.Helpers;
+
+namespace Microsoft.PowerToys.Settings.UI.ViewModels
+{
+    public class KeyboardManagerViewModel : Observable
+    {
+        public KeyboardManagerViewModel()
+        {
+        }
+    }
+}