feat: added pre-commit hook for prettier

Author: wenfangdu

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx lint-staged

package.json

@@ -1,14 +1,18 @@
 {
   "devDependencies": {
     "@vuepress/plugin-pwa": "^1.5.4",
+    "husky": "^6.0.0",
+    "lint-staged": "^10.5.4",
+    "prettier": "^2.2.1",
     "sass": "^1.32.0",
     "sass-loader": "^8.0.2",
     "vuepress": "^1.5.4"
   },
   "scripts": {
     "dev": "yarn serve",
     "serve": "vuepress dev src",
-    "build": "vuepress build src"
+    "build": "vuepress build src",
+    "prepare": "husky install"
   },
   "dependencies": {
     "@docsearch/css": "^1.0.0-alpha.27",
@@ -17,5 +21,8 @@
     "axios": "^0.21.1",
     "intersection-observer": "^0.11.0",
     "showdown": "^1.9.1"
+  },
+  "lint-staged": {
+    "*": "prettier --check --write --ignore-unknown"
   }
 }