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

example/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "typing-chud-example",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "devDependencies": {
+    "@types/node": "^24.7.2",
+    "@types/react": "^19.1.1",
+    "@types/react-dom": "^19.1.1",
+    "@vitejs/plugin-react": "^5.0.4",
+    "autoprefixer": "^10.4.20",
+    "postcss": "^8.4.41",
+    "tailwindcss": "^4.1.14",
+    "typescript": "~5.9.3",
+    "vite": "^5.4.10"
+  },
+  "dependencies": {
+    "@tailwindcss/vite": "^4.1.14",
+    "@vimazing/typing-chud": "file:../",
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1"
+  }
+}