Nyall Dawson 547387037f [annotations] Add support for callouts to point text item
Allows creating of callout lines (or bubble callouts) which
link the text to a map location. To create a callout, users
select the text item and then drag out the central x node
to the desired callout end point.

Callout styles can be modified through the layer styling panel.
2024-08-06 13:30:16 +10:00
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