Add utility functions for readability and refactor make_move

src/board/game.rs

@@ -1,7 +1,7 @@
 use crate::board::fen::from_fen;
 use String as FenError;
 
-use super::board::Board;
+use super::board::{Board, Color};
 
 #[derive(Debug, PartialEq, Eq)]
 pub struct Game {
@@ -22,6 +22,10 @@ impl Game {
     pub const fn run(&self) {
         Board::new();
     }
+
+    pub const fn current_player(&self) -> Color {
+        self.board.state.current_player()
+    }
 }
 
 impl Default for Game {