文档: 添加项目README文档并优化配置文件

- 新增README.md，包含项目简介、技术栈、功能说明和使用指南
- 优化package.json格式，添加作者信息（上海潘哆呐科技有限公司）
- 更新.gitignore，添加.playwright-mcp测试工具目录

package.json

@@ -1 +1,26 @@
-{"name": "rolling-draw", "version": "1.0.0", "type": "module", "scripts": {"dev": "vite", "build": "vite build", "preview": "vite preview"}, "dependencies": {"vue": "^3.4.0", "vue-router": "^4.2.5", "pinia": "^2.1.7", "element-plus": "^2.5.0", "@element-plus/icons-vue": "^2.3.1"}, "devDependencies": {"@vitejs/plugin-vue": "^5.0.0", "vite": "^5.0.0"}}
+{
+  "name": "rolling-draw",
+  "version": "1.0.0",
+  "private": "true",
+  "type": "module",
+  "author": {
+    "name": "上海潘哆呐科技有限公司",
+    "email": "work@pandorastudio.cn"
+  },
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "vue": "^3.4.0",
+    "vue-router": "^4.2.5",
+    "pinia": "^2.1.7",
+    "element-plus": "^2.5.0",
+    "@element-plus/icons-vue": "^2.3.1"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.0",
+    "vite": "^5.0.0"
+  }
+}