add charset utf8

Author: Topin

docs/guide/README.md

@@ -172,6 +172,7 @@ const renderer = require('vue-server-renderer').createRenderer({
 const context = {
     title: 'vue ssr',
     meta: `
+        <meta charset="utf-8" />
         <meta name="keyword" content="vue,ssr">
         <meta name="description" content="vue srr demo">
     `,

docs/ru/guide/README.md

@@ -173,6 +173,7 @@ const renderer = require('vue-server-renderer').createRenderer({
 const context = {
     title: 'vue ssr',
     meta: `
+        <meta charset="utf-8" />
         <meta name="keyword" content="vue,ssr">
         <meta name="description" content="vue ssr demo">
     `,