docs(quickstart): fix keys (#511)

docs/source/en/intro/quickstart.md

@@ -83,7 +83,6 @@ module.exports = app => {
 
 Then edit the router file and add a mapping.
 
-
 ```js
 // app/router.js
 module.exports = app => {
@@ -91,6 +90,14 @@ module.exports = app => {
 };
 ```
 
+Then add a configuration file:
+
+```js
+// config/config.default.js
+// should change to your own keys
+exports.keys = '123456';
+```
+
 The project directory looks like this:
 
 ```bash
@@ -99,6 +106,8 @@ egg-example
 │   ├── controller
 │   │   └── home.js
 │   └── router.js
+├── config
+│   └── config.default.js
 └── package.json
 ```
 
@@ -166,9 +175,6 @@ exports.view = {
     '.tpl': 'nunjucks',
   },
 };
-
-// should change to your own keys
-exports.keys = '123456';
 ```
 
 **Carefull! `config` dir, not `app/config`!**

docs/source/zh-cn/intro/quickstart.md

@@ -82,6 +82,14 @@ module.exports = app => {
 };
 ```
 
+加一个配置文件：
+
+```js
+// config/config.default.js
+// 切记：要改为自己的 key 值
+exports.keys = '123456';
+```
+
 此时目录结构如下：
 
 ```bash
@@ -90,6 +98,8 @@ egg-example
 │   ├── controller
 │   │   └── home.js
 │   └── router.js
+├── config
+│   └── config.default.js
 └── package.json
 ```
 
@@ -151,9 +161,6 @@ exports.view = {
     '.tpl': 'nunjucks',
   },
 };
-
-// 切记：要改为自己的 key 值
-exports.keys = '123456';
 ```
 
 **注意：是 `config` 目录，不是 `app/config`!**

docs/source/zh-cn/tutorials/index.md

@@ -1,6 +1,6 @@
 title: 教程
 ---
-
+- [快速入门](../intro/quickstart.md)
 - [渐进式开发](./progressive.md)
 - [RESTful API](./restful.md)
 - [Async Function](./async-function.md)