Update README.md with Windows use note

Note the need to have freeze_support()  in your main file on Windows only

README.md

@@ -307,6 +307,25 @@ Output:
       ),
     )
 
+### Note on use on Windows only
+On Windows only, in your main starting file you need freeze_support() even if its just a python file (not the documented "only if frozen to produce an executable").
+Otherwise you can get a RuntimeError: "An attempt has been made to start a new process before the current process has finished its bootstrapping phase."
+Also need to have a main function:
+
+```python
+from relik import Relik
+from relik.inference.data.objects import RelikOutput
+from multiprocessing import freeze_support
+
+def main():
+    relik = Relik.from_pretrained("sapienzanlp/relik-entity-linking-large")
+    relik_out: RelikOutput = relik("Michael Jordan was one of the best players in the NBA.")
+
+if __name__ == "__main__":
+    freeze_support()
+    main()    
+```
+
 ### CLI
 
 ReLiK provides a CLI to serve a [FastAPI](https://fastapi.tiangolo.com/) server for the model or to perform inference on a dataset.