feat: 初始化项目配置和基础架构

- 添加项目配置文件：.vercelignore、.codex/config.toml、postcss.config.js、.prettierrc 等
- 设置构建工具链：Vite + React + TypeScript + TailwindCSS
- 添加核心组件：HeaderBar、TierRow、ItemCard、Pool
- 配置 CI/CD 和部署相关文件：vercel.json、DEPLOY.md
- 添加开发工具配置：ESLint、Prettier、EditorConfig
- 实现基础功能：拖拽排序、图片处理、状态管理

tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "useDefineForClassFields": true,
+    "lib": ["DOM", "DOM.Iterable", "ESNext"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+    "moduleResolution": "Bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": false,
+    "noFallthroughCasesInSwitch": true,
+    "types": ["vite/client", "node"]
+  },
+  "include": ["src"],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}