Clockwise radial movement

[vladbat00]

Counterclockwise movement is already implemented, so a lot of systems can be re-used for this feature.

Related types and systems to look into for implementing this:

• ObjectRouteDesc (enum used in LevelObject definition)
• LevelObjectMovement (component)
• builder_ui (system, to update the UI itself)
• route_settings (system, is needed to read ObjectRouteDesc into LevelObjectMovement component)