初始化项目配置

- 添加项目依赖配置文件
- 配置Git忽略规则

.gitignore

@@ -0,0 +1,35 @@
+# 依赖项
+node_modules/
+
+# 生产构建
+/build
+/dist
+
+# 环境变量
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# 操作系统文件
+.DS_Store
+Thumbs.db
+
+# 日志
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# 测试覆盖率
+coverage/
+
+# 其他
+.cache

package.json

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+{
+  "name": "sql-converter-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^5.17.0",
+    "@testing-library/react": "^13.4.0",
+    "@testing-library/user-event": "^13.5.0",
+    "antd": "^5.12.8",
+    "axios": "^1.6.2",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-scripts": "5.0.1",
+    "web-vitals": "^2.1.4"
+  },
+  "scripts": {
+    "start": "PORT=3009 react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+    "@types/react": "^18.2.45",
+    "@types/react-dom": "^18.2.18"
+  }
+}