feat : play vs engine v0

src/sections/play/states.ts

@@ -5,6 +5,7 @@ import { atom } from "jotai";
 export const gameAtom = atom(new Chess());
 export const playerColorAtom = atom<Color>(Color.White);
 export const engineSkillLevelAtom = atom<number>(1);
+export const isGameInProgressAtom = atom(false);
 
 export const clickedSquaresAtom = atom<string[]>([]);
 export const playableSquaresAtom = atom<string[]>([]);