Update docs with new workspace commands

[dbanck]

#632 and #712 introduced two new workspace commands. This PR updates the docs for both commands

[radeksimko]

Thank you for adding these docs.

I left some mostly minor suggestions with examples etc. to hopefully make it a little easier to understand for future readers.

[dbanck]

Thanks a lot for your helpful suggestions. I've applied them all.

[github-actions]

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