chore: fix peerDependecies

Author: marcosmoura

package.json

@@ -105,6 +105,7 @@
     "sass-loader": "^6.0.6",
     "sinon": "^4.1.1",
     "url-loader": "^0.6.2",
+    "vue": "^2.5.9",
     "vue-ga": "^1.0.0",
     "vue-i18n": "^7.3.2",
     "vue-loader": "^13.4.0",