Enable imports on Windows

Summary: Windows is looking decently stable, let's enable it.

Reviewed By: alexmalyshev

Differential Revision: D104072360

fbshipit-source-id: 43dfe6d9f04f9595e2808873015ed13311989008

Author: DinoV

cinderx/PythonLib/cinderx/__init__.py

@@ -42,7 +42,7 @@ def is_supported_runtime() -> bool:
     native extension.
     """
 
-    if sys.platform not in ("darwin", "linux"):
+    if sys.platform not in ("darwin", "linux", "win32"):
         return False
 
     version = (sys.version_info.major, sys.version_info.minor)