eslint: add vuetify defs

cateditor/.eslintrc.js

@@ -7,6 +7,9 @@ module.exports = {
   'extends': [
     'plugin:vue/essential',
     '@vue/standard'
+  ],
+   plugins: [
+    'vuetify'
   ],
   rules: {
     'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
@@ -17,6 +20,9 @@ module.exports = {
     'comma-dangle': ['warn', 'only-multiline'],
     'spaced-comment': 'off',
     'space-before-function-paren': ['warn', 'never'],
+    'vuetify/no-deprecated-classes': 'error',
+    'vuetify/grid-unknown-attributes': 'error',
+    'vuetify/no-legacy-grid': 'error',
   },
   parserOptions: {
     parser: 'babel-eslint'