Introduces feature #642

[andynewman10]

Wires onCameraMove in the controller and in MapLibreMap class.

Tested on web successfully.

[Copilot]

Pull Request Overview

This PR introduces the onCameraMove callback feature (#642) to provide real-time notifications when the camera position changes on the map. The implementation adds the callback at multiple levels of the widget hierarchy.

• Adds OnCameraMoveCallback typedef for camera movement events
• Wires the callback through the MapLibreMap widget and controller
• Integrates the callback invocation in the platform's camera move stream

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
maplibre_gl/lib/src/maplibre_map.dart	Adds onCameraMove parameter to widget constructor and passes it to controller
maplibre_gl/lib/src/controller.dart	Defines OnCameraMoveCallback typedef and implements callback invocation in camera move stream

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[gabbopalma]

Hi @andynewman10, for correct and complete implementation, add the CameraPosition argument, which is already available, to the new onCameraMove. It may not be on the iOS, so please check