docs(deployment): 更新部署文档并添加自动化部署脚本

- 更新了 DEPLOYMENT.md 文档，增加了更多部署细节和说明
- 添加了 Linux 和 Windows 平台的自动化部署脚本
- 更新了 README.md，增加了部署相关说明
- 调整了 .env 文件配置，以适应新的部署流程
- 移除了部分不必要的代码和配置

backend/package.json

@@ -6,12 +6,14 @@
   "scripts": {
     "start": "node src/server.js",
     "dev": "nodemon src/server.js",
+    "build": "echo \"Building backend project...\" && npm run lint",
     "test": "jest",
     "lint": "eslint src/**/*.js",
     "migrate": "node src/utils/migrate.js",
     "init-test-data": "node scripts/init-test-data.js",
     "test-api": "node scripts/test-api-endpoints.js",
-    "test-db": "node scripts/test-database-connection.js"
+    "test-db": "node scripts/test-database-connection.js",
+    "start-scripts": "chmod +x *.sh"
   },
   "keywords": [
     "mini-program",
@@ -48,10 +50,6 @@
   "devDependencies": {
     "eslint": "^8.56.0",
     "jest": "^29.7.0",
-    "nodemon": "^3.1.10",
-    "supertest": "^6.3.3"
-  },
-  "engines": {
-    "node": ">=16.0.0"
+    "nodemon": "^3.1.10"
   }
-}
+}