CHG: Expose OpenMP support flag

Author: RUrlus

src/diptest/__init__.py

@@ -4,7 +4,8 @@
 
 from diptest.diptest import dipstat, diptest
 from diptest.lib import _diptest_core as _diptest
+from diptest.lib._diptest_core import _has_openmp_support
 
 __version__ = importlib.metadata.version("diptest")
 
-__all__ = ["dipstat", "diptest", "_diptest", "__version__"]
+__all__ = ["dipstat", "diptest", "_diptest", "_has_openmp_support", "__version__"]