Allow framework for config settings that should not be stored in config (e.g. cli_feeder.urls

Use 'do_not_store': True in the config settings to apply this. Also: fix up generic archiver dropins loading + local_storage defaults (same as what's in example orchestration)

src/auto_archiver/modules/cli_feeder/__manifest__.py

@@ -11,6 +11,7 @@
             "help": "URL(s) to archive, either a single URL or a list of urls, should not come from config.yaml",
             "nargs": "+",
             "required": True,
+            "do_not_store": True,
         },
     },
     "description": """