Include md output: todo, util, viva commands

[Jwaegebaert]

Related to #3754

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Update the documentation to include the md output for all the commands under the service:

• todo documentation location
• util documentation location
• viva documentation location

You can reference the commands planner plan and planner bucket. They are already contain the Markdown reponse in their documentation.

For more information what guidelines to follow, be sure to check out the epic issue #3754

[ganesh-sanap]

Can I work on this one?

[milanholemans]

Definitely!