add recursive command line option

freqtrade/commands/cli_options.py

@@ -82,6 +82,11 @@ AVAILABLE_CLI_OPTIONS = {
         help='Reset sample files to their original state.',
         action='store_true',
     ),
+    "recursive": Arg(
+        '-r', '--recursive',
+        help='Recursively search for a strategy in the strategies folder.',
+        metavar='store_true',
+    ),
     # Main options
     "strategy": Arg(
         '-s', '--strategy',