Update README.md

README.rst

@@ -244,6 +244,18 @@ unset are shown)::
       # Must match ``tus_upload_store`` setting in ``galaxy:`` section.
       # upload_dir:
 
+      # Comma-separated string of enabled tusd hooks.
+      #
+      # Leave at the default value to require authorization at upload creation time.
+      # This means Galaxy's web process does not need to be running after creating the initial
+      # upload request.
+      #
+      # Set to empty string to disable all authorization. This means data can be uploaded (but not processed)
+      # without the Galaxy web process being available.
+      #
+      # You can find a list of available hooks at https://github.com/tus/tusd/blob/master/docs/hooks.md#list-of-available-hooks.
+      # hooks_enabled_events: pre-create
+
       # Extra arguments to pass to tusd command line.
       # extra_args: