chore: format script code.

package.json

@@ -7,8 +7,10 @@
   "homepage": "https://jaywcjlove.github.io/reference",
   "private": false,
   "scripts": {
+    "prepare": "husky install",
     "build": "node scripts/build.mjs",
-    "start": "node scripts/watch.mjs"
+    "start": "node scripts/watch.mjs",
+    "prettier": "prettier --write '**/*.{mjs,css,json,prettierrc,lintstagedrc}'"
   },
   "repository": {
     "type": "git",
@@ -22,10 +24,16 @@
     "@wcj/markdown-to-html": "^2.1.1",
     "chokidar": "^3.5.3",
     "fs-extra": "^10.1.0",
+    "husky": "^8.0.1",
+    "lint-staged": "^13.0.3",
+    "prettier": "^2.7.1",
     "recursive-readdir-files": "^2.3.0",
     "rehype-autolink-headings": "^6.1.1",
     "rehype-document": "^6.1.0",
     "rehype-slug": "^5.0.1",
     "remark-gemoji": "^7.0.1"
+  },
+  "engines": {
+    "node": ">=16.0.0"
   }
 }