Custom module name (#37)

* add options. custumize vuex module name

* add doc

Author: vinicius73

README.md

@@ -19,6 +19,13 @@ sync(store, router) // done.
 // bootstrap your app...
 ```
 
+You can set a custom vuex module name
+
+```js
+sync(store, router, { moduleName: 'RouteModule' } )
+```
+
+
 ### How does it work?
 
 - It adds a `route` module into the store, which contains the state representing the current route:

index.js

@@ -1,9 +1,11 @@
-exports.sync = function (store, router) {
-  store.registerModule('route', {
+exports.sync = function (store, router, options) {
+  var moduleName = (options || {}).moduleName || 'route'
+
+  store.registerModule(moduleName, {
     state: {},
     mutations: {
       'router/ROUTE_CHANGED': function (state, transition) {
-        store.state.route = Object.freeze({
+        store.state[moduleName] = Object.freeze({
           name: transition.to.name,
           path: transition.to.path,
           hash: transition.to.hash,
@@ -22,7 +24,7 @@ exports.sync = function (store, router) {
 
   // sync router on store change
   store.watch(
-    function (state) { return state.route },
+    function (state) { return state[moduleName] },
     function (route) {
       if (route.fullPath === currentPath) {
         return