Introduces async callback support for command execution in spawn methods, adds registration/unregistration for update and startup callbacks, and improves logging and signal handling. Adds a new Kronos module and main entry point for initializing and running the API with Kronos integration. Refactors example scripts and updates VSCode launch configurations for new entry points.
Updated multiple methods in Unit to accept a LatLng object instead of separate lat/lng floats, improving type safety and consistency. Also made minor improvements and clarifications in the example_disembarked_infantry.py script, and added execution result handling in OlympusCommand.lua for spawned units.
