clarify that the module is namespaced (nuxt#784)

tam315 · atinux · commit b67d00af7391 · 2018-09-30T18:23:51.000+02:00
diff --git a/en/guide/vuex-store.md b/en/guide/vuex-store.md
@@ -103,6 +103,7 @@ new Vuex.Store({
     }
   },
   modules: {
+    namespaced: true,
     todos: {
       state: {
         list: []
