src/store/index.js

import Vue from 'vue';
import Vuex from 'vuex';

import GlobalStore from './modules/GlobalStore';
import AuthenticationStore from './modules/Authentication/AuthenticanStore';
import LocalUserManagementStore from './modules/AccessControl/LocalUserMangementStore';

Vue.use(Vuex);

export default new Vuex.Store({
  state: {},
  mutations: {},
  actions: {},
  modules: {
    global: GlobalStore,
    authentication: AuthenticationStore,
    localUsers: LocalUserManagementStore
  }
});