Everything works! It’s impressive you got the entire rule set working in Godot in just a week.
My suggestion is to consider how to add features that improve the user experience that is unique to the digital realm. Adding indications for the players turn, changing the player’s pieces shapes/colors are all considerations to take when adapting a traditional board game to a new medium.
There are a lot of different directions to take this concept! What you have here works and is solid