Add range and image URL properties to Plane model

[rajbos]

This pull request to the WrightBrothersApi project introduces new functionality and enhancements to the PlanesController and Plane class. The most important changes include adding new methods for updating, deleting, and counting planes in the PlanesController class, and adding two new properties, RangeInKm and ImageUrl, to the Plane class.

Main controller changes:

• WrightBrothersApi/Controllers/PlanesController.cs: Modified the PlanesController class to include new methods for updating, deleting, and counting planes, as well as additional planes in the constructor. [1] [2]

Model enhancements:

• WrightBrothersApi/Models/Plane.cs: Added two new properties, RangeInKm and ImageUrl, to the Plane class.

[rajbos]

Closing the PR so we have something for the next demo again 😆