Extend manage script

[ci skip]

readme.md

@@ -40,9 +40,6 @@ The `manage` shell script lets you do basic song management and saves you some
 manual labour. Simply run the script itself or invoke `help` to get a list of
 all available commands.
 
-For now the script only supports creating new songs, which it does in an
-interactive way by asking for important data and filling all needed templates.
-
 ```
 ./manage help
 Usage: ./manage <command> [options]