Updates for rclone parallel uploads

unifi_protect_backup/cli.py

@@ -226,6 +226,13 @@ what the web UI does. This might be more stable if you are experiencing
 a lot of failed downloads with the default downloader.
 """,
 )
+@click.option(
+    "--rclone-parallel-uploads",
+    default=1,
+    show_default=True,
+    envvar="RCLONE_PARALLEL_UPLOADS",
+    help="Number of parallel uploads",
+)
 def main(**kwargs):
     """A Python based tool for backing up Unifi Protect event clips as they occur."""
     event_listener = UnifiProtectBackup(**kwargs)