Version 0.3

This is the first release containing the organized file structure and is the first release containing a coherent Godot Project. This release contains the following elements:

• A Main Menu Scene, serving as the main scene of the project.
• A main map scene containing a custom map.
• The Godot Aerodynamics Physics plugin for handling flight.
• A commercial airline scene for a commercial airliner type plane.
• A Buggy scene containing a buggy type car.
• A "diagram test" scene as a mockup of a future diagram.