feat: add lint staged

Author: antonreshetov

package.json

@@ -50,10 +50,24 @@
     "eslint": "^5.16.0",
     "eslint-plugin-vue": "^5.2.2",
     "highlight.js": "^9.12.0",
+    "lint-staged": "^8.1.5",
     "marked": "^0.5.1",
     "node-sass": "^4.9.3",
     "sass-loader": "^7.1.0",
     "vue-svg-loader": "^0.10.0",
     "vue-template-compiler": "^2.5.17"
+  },
+  "gitHooks": {
+    "pre-commit": "lint-staged"
+  },
+  "lint-staged": {
+    "*.js": [
+      "vue-cli-service lint",
+      "git add"
+    ],
+    "*.vue": [
+      "vue-cli-service lint",
+      "git add"
+    ]
   }
 }