Update README.md

Author: baseplate-admin

README.md

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 [![Downloads](https://static.pepy.tech/personalized-badge/ninja-put-patch-file-upload-middleware?period=month&units=international_system&left_color=black&right_color=orange&left_text=Downloads)](https://pepy.tech/project/ninja-put-patch-file-upload-middleware)
 
+> [!NOTE]  
+The functionality of this PR has been merged via [django-ninja#1423](https://github.com/vitalik/django-ninja/pull/1423)
+
+
 # ninja_put_patch_file_upload_middleware
 This middleware allows users to upload files using the HTTP PUT or PATCH method. Backports the functionality from [django-ninja#719](https://github.com/vitalik/django-ninja/pull/719) which in turn is based on  [django-ninja#417 (comment)](https://github.com/vitalik/django-ninja/issues/417#issuecomment-1092545699) which should be available in `django-ninja` if [django-ninja#397](https://github.com/vitalik/django-ninja/pull/397) is merged ( in that case this middleware works as a backport )