Add :silent to readme & argparse

README.md

@@ -112,6 +112,7 @@ custom feeds:
 misc:
   --nolink              drop links, but keeps links' inner text
   --noref               drop items' link
+  --silent              don't output the final RSS (useless on its own, but can be nice when debugging)
   --debug               to have some feedback from the script execution. Useful for debugging
 
 GNU AGPLv3 code

morss/cli.py

@@ -40,6 +40,7 @@ def cli_app():
     group = parser.add_argument_group('misc')
     group.add_argument('--nolink', action='store_true', help='drop links, but keeps links\' inner text')
     group.add_argument('--noref', action='store_true', help='drop items\' link')
+    group.add_argument('--silent', action='store_true', help='don\'t output the final RSS (useless on its own, but can be nice when debugging)')
     group.add_argument('--debug', action='store_true', help='to have some feedback from the script execution. Useful for debugging')
 
     options = Options(parser.parse_args())