Create Apple MSYS Mailbox Provider TurboModule

Summary: Creates a base TurboModule for Catalyst.

Reviewed By: ann-ss

Differential Revision: D36707915

fbshipit-source-id: 9a246f238efdcdde45e0332f7b868478deadf50e

Author: Jake Holland

BUCK

@@ -449,6 +449,7 @@ rn_xplat_cxx_library2(
         "//fbobjc/Libraries/FBiOSSecurityUtils/...",
         "//fbobjc/Libraries/RCTPrerendering/...",
         "//fbobjc/VendorLib/react-native-maps:react-native-maps",
+        "//xplat/ar/libraries/...",
         "//xplat/js:",
         "//xplat/js/react-native-github/React/...",
         "//xplat/js/react-native-github/ReactCommon/react/nativemodule/core:",