adds missing band arg to maidenhead cli

Author: alpha-beta-soup

raster2dggs/maidenhead.py

@@ -33,6 +33,13 @@
     ),
     help=const.OPTION_HELP['parent_res']('Maidenhead', 'level 1'),
 )
+@click.option(
+    "-b",
+    "--band",
+    required=False,
+    multiple=True,
+    help=const.OPTION_HELP['band'],
+)
 @click.option(
     "-u",
     "--upscale",