chore: initialize typing-chud project with Unified API structure

- Copy vim-snake structure stripped of game-specific logic
- Remove finalScore calculation (raw data only)
- Setup example app with keybinding state management
- Empty board renders and waits for game logic

src/useGameStatus/useGameStatus.ts

@@ -0,0 +1,23 @@
+import { useState } from "react";
+import type { GameStatus } from "../types";
+
+export function useGameStatus() {
+  const [gameStatus, setGameStatus] = useState<GameStatus>("waiting");
+
+  const startGame = () => {
+    setGameStatus("started");
+  };
+
+  const quitGame = () => {
+    setGameStatus("waiting");
+  };
+
+  return {
+    gameStatus,
+    setGameStatus,
+    startGame,
+    quitGame,
+  };
+}
+
+export type UseGameStatusType = ReturnType<typeof useGameStatus>;