Support the content-type sent by curl using --data option

Author: dsotirho-ucsc

lambdas/service/app.py

@@ -1281,6 +1281,7 @@ def manifest_route(*, fetch: bool, initiate: bool):
         + ('/manifest/files' if initiate else '/manifest/files/{token}'),
         # The initial PUT request is idempotent.
         methods=['PUT' if initiate else 'GET'],
+        content_types=['application/json', 'application/x-www-form-urlencoded'],
         interactive=fetch,
         cors=True,
         path_spec=None if initiate else {