[FileLocksmith]Add Windows11 (tier1) context menu (#31388)

* Add project

* Cleanup project file and add resource file

* Move common logic to FileLocksmithLib

* Cleanup interop vcxproj

* Implement handler, add assets and appx manifest

* Revert "Cleanup interop vcxproj"

This reverts commit 97bf991f2e.

* Remove package on uninstall
Install package on enable
Fix launching app
Cleanup

* Revert non-related change

* Spellcheck

* Update src/modules/FileLocksmith/FileLocksmithContextMenu/Resources.resx

* Wire Show in extended context menu setting

src/modules/FileLocksmith/FileLocksmithLib/Constants.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "pch.h"
+
+// Non-localizable constants
+namespace constants::nonlocalizable
+{
+    // Description of the registry key
+    constexpr WCHAR RegistryKeyDescription[] = L"File Locksmith Shell Extension";
+
+    // File name of the UI executable
+    constexpr WCHAR FileNameUIExe[] = L"PowerToys.FileLocksmithUI.exe";
+
+    // String key used by PowerToys
+    constexpr WCHAR PowerToyKey[] = L"File Locksmith";
+
+    // Nonlocalized name of this PowerToy, for logs, etc
+    constexpr WCHAR PowerToyName[] = L"File Locksmith";
+
+    // JSON key used to store whether the module is enabled
+    constexpr WCHAR JsonKeyEnabled[] = L"Enabled";
+
+    // JSON key used to store extended menu enabled
+    constexpr WCHAR JsonKeyShowInExtendedContextMenu[] = L"showInExtendedContextMenu";
+
+    // Path of the JSON file used to store settings
+    constexpr WCHAR DataFilePath[] = L"\\file-locksmith-settings.json";
+
+    // Name of the file where the list of files to checked will be stored
+    constexpr WCHAR LastRunPath[] = L"\\last-run.log";
+
+    // Name of the tier 1 context menu package
+    constexpr WCHAR ContextMenuPackageName[] = L"FileLocksmithContextMenu";
+}
+
+// Macros, non-localizable
+ 
+// Description of the registry key
+#define REGISTRY_CONTEXT_MENU_KEY  L"FileLocksmithExt"