chore: use .node-version to fixed node version

.node-version

@@ -0,0 +1 @@
+20

README.md

@@ -14,6 +14,7 @@ By constructing sentences with conjunctions, it helps you learn English better~
 
 - **pnpm version >= 8**
 - **Node.js version >= v20**
+  > Use the version from .node-version. [Supported tools](https://github.com/shadowspawn/node-version-usage#compatibility-testing)
 - **MySQL version >= 8.0.0**
 - **Redis version >= 5.0.0**
 - **Docker**. please make sure it is installed and running successfully on your local machine.

README.zh-CN.md

@@ -14,6 +14,7 @@
 
 - **pnpm version >= 8**
 - **Node.js version >= v20**
+  > 使用来自 .node-version 的版本 [支持的工具](https://github.com/shadowspawn/node-version-usage#compatibility-testing)
 - **MySQL version >= 8.0.0**
 - **Redis version >= 5.0.0**
 - 项目依赖 **Docker**，所以请确保你本地已安装并成功运行

package.json

@@ -29,9 +29,6 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "engines": {
-    "node": ">=20.11.0"
-  },
   "devDependencies": {
     "@types/node": "^20.11.0",
     "conventional-changelog-cli": "^4.1.0",