feat: 添加 deploy:local 脚本以便本地部署到 GitHub Pages

Author: CC11001100

package.json

@@ -21,7 +21,8 @@
     "test": "react-scripts test",
     "eject": "react-scripts eject",
     "predeploy": "npm run build",
-    "deploy": "gh-pages -d build"
+    "deploy": "gh-pages -d build",
+    "deploy:local": "npm run build && gh-pages -d build"
   },
   "eslintConfig": {
     "extends": [