SWS-7: download workflow template

Still working on getting the templating sorted. Not much of consequence in this MR.

TODO: Figure out how to get capability request parameters where they need to go (into the arguments of the proper workflow)

schema/versions/e50583fc2a8e_ssa_6391_add_download_capability_and_.py

@@ -18,7 +18,7 @@ depends_on = None
 def upgrade():
     op.execute(
         "INSERT INTO capabilities (capability_name, capability_steps, max_jobs) "
-        "VALUES ('test_download', 'prepare-and-run-workflow deliver -r,-l\nawait-workflow', 2)"
+        "VALUES ('test_download', 'prepare-and-run-workflow deliver [-r, -l]\nawait-workflow', 2)"
     )
     op.execute("INSERT INTO workflows (workflow_name) VALUES ('test_download')")
     op.execute(