Is your feature request related to a problem? Please describe.

When running for example git status as a a duty task the output has too much white space around it. In this case the output ends with three empty lines instead of one.

Describe the solution you'd like

Strip white space around output to achieve more consistent formatting no matter which command is run.

Additional context

This is quite easy to do by adding `|trim' in the jinja template. I modified the pretty fomat to:

{% if success %}<green>✓</green>
{% elif nofail %}<yellow>✗</yellow>
{% else %}<red>✗</red>{% endif %} 
<bold>{{ title or command }}</bold>
{% if failure %} ({{ code }}){% endif %}
{% if failure and output and not quiet %}\n
{{ ('  > ' + command + '\n') if title else '' }}
{{ output|trim|indent(2 * ' ') }}{% endif %}

Maybe you want to do this as default?

🍰 Thanks a lot for making duty! I discovered it today like it more than other command runners I looked at (make, task, just, invoke).