chore: eslint cache

.gitignore

@@ -1,6 +1,7 @@
 /dist/
 node_modules/
 *.log
+.eslintcache
 /stats.json
 /tmp/
 /dist-assets/

package.json

@@ -11,7 +11,7 @@
     "i18n": "gulp i18n",
     "copyI18n": "gulp copyI18n",
     "lint": "run-s lint:js lint:yml",
-    "lint:js": "eslint --ext .js,.vue .",
+    "lint:js": "eslint --ext .js,.vue . --cache",
     "lint:yml": "gulp check",
     "svgo": "plaid svgo",
     "test": "cross-env BABEL_ENV=test tape -r ./test/mock/register \"test/**/*.test.js\" | tap-summary",