Added missing dependency

Author: Alfred Brockotter

package-lock.json

@@ -61,6 +61,7 @@
     "eslint-config-standard": "^11.0.0",
     "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-node": "^6.0.1",
+    "eslint-plugin-standard": "^3.1.0",
     "mocha": "^5.2.0",
     "nuxt-module-builder": "^1.0.0",
     "rollup": "^0.62.0",

package.json

@@ -3055,6 +3055,10 @@ eslint-plugin-standard@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-standard/-/eslint-plugin-standard-3.0.1.tgz#34d0c915b45edc6f010393c7eef3823b08565cf2"
 
+eslint-plugin-standard@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-standard/-/eslint-plugin-standard-3.1.0.tgz#2a9e21259ba4c47c02d53b2d0c9135d4b1022d47"
+
 eslint-plugin-vue@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-2.1.0.tgz#50ed0b7e9a2389d90e689743a3cc26b502441b69"