The Godot GameEngine can be overwhelming at first, this video gives you a quick impression of the Editor and its capabilities. And very soon you will see the great benefit it provides for developing plugins and bots!
Now that you know where to go, lets see how to code with GDScript
It is also pretty handy to have the offical documentation at hand
https://docs.godotengine.org/en/stable/getting_started/step_by_step/index.html