ultralytics 8.1.1 Docs, Solutions and Export updates (#7545)

Co-authored-by: Sergiu Waxmann <47978446+sergiuwaxmann@users.noreply.github.com>
Co-authored-by: Vivek Malvi <malvivivek8198@gmail.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: psaxton <psaxton+github.com@gmail.com>

ultralytics/engine/exporter.py

@@ -555,6 +555,7 @@ class Exporter:
         import coremltools as ct  # noqa
 
         LOGGER.info(f"\n{prefix} starting export with coremltools {ct.__version__}...")
+        assert not WINDOWS, "CoreML export is not supported on Windows, please run on macOS or Linux."
         f = self.file.with_suffix(".mlmodel" if mlmodel else ".mlpackage")
         if f.is_dir():
             shutil.rmtree(f)