trying windows path fix

Author: nikos-fytros

package-lock.json

@@ -79,6 +79,7 @@
     "no-case": "^2.3.2",
     "pug": "^2.0.0-rc.4",
     "require-from-string": "^2.0.1",
+    "slash": "^1.0.0",
     "string-hash": "^1.1.3",
     "vue": "^2.4.4",
     "vue-server-renderer": "^2.4.4",

package.json

@@ -2,6 +2,7 @@
 const path = require('path');
 const express = require('express');
 const uuidv4 = require('uuid/v4');
+const slash = require('slash');
 
 const expressVueRenderer = require('../../lib');
 const expressVue = require('./expressVue');
@@ -15,7 +16,7 @@ var exampleMixin = {
 };
 
 const options = {
-    rootPath: path.join(__dirname, 'vueFiles'),
+    rootPath: slash(path.join(__dirname, 'vueFiles')),
     vue: {
         head: {
             meta: [{