Add todo note

bigchaindb/commands/bigchain.py

@@ -22,6 +22,9 @@ def run_show_config(args):
     """Show the current configuration"""
     from pprint import pprint
 
+    # TODO Proposal: remove the "hidden" configuration. Only show config. If
+    # the system needs to be configured, then display information on how to
+    # configure the system.
     bigchaindb.config_utils.file_config(args.config)
     pprint(bigchaindb.config)