Change number of partitions in existing topic

[omrihaber]

Is your proposal related to a problem?

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Describe the solution you'd like

After creating a topic or for a topic created previously.
Want to change the number of partitions and reassign it.

Describe alternatives you've considered

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Additional context

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[Haarolean]

Hi,

you can do this by clicking on "Edit settings" on topic details page, there's a 'danger zone' block where you can change number of partitions.

[Haarolean]

P.S. Partitions reassignment is to be done within #944