Annotated Corpus Map: add legend for cluster labels

[ajdapretnar]

Is your feature request related to a problem? Please describe.
When observing ACM, it is unclear which cluster corresponds to which label (C1, C2, C3 ...).

Describe the solution you'd like
Add a legend or a meta attributes to color by.

Describe alternatives you've considered
/

[wvdvegte]

I think this has been resolved, right? If you select "Color points by cluster" you can see which cluster has which color.

[ajdapretnar]

I did not even see this option. I was looking under the classic "Color". Thanks!