UX: Adjustable column sizes

[vr-ms]

Issue submitter TODO list

• I've searched for an already existing issues here
• I'm running a supported version of the application which is listed here and the feature is not present there

Is your proposal related to a problem?

No response

Describe the feature you're interested in

I would like to be able to make the dashboard column larger or smaller.
The problem is that the names of the clusters are too long and are not displayed in full, making it difficult to select the right cluster

Describe alternatives you've considered

No response

Version you're running

kafbat UI 2956664 v1.0.0

Additional context

No response

[github-actions]

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[Haarolean]

Tables and responsive design are hard, that part is still a WIP.
We'll make the cluster name more observable via expandable drawer width tho (see #239)