docs: add en and zh locales global config

Author: PeachScript

docs/.vuepress/config.js

@@ -1,4 +1,57 @@
 module.exports = {
   title: 'Vue-infinite-loading',
+  locales: {
+    '/': {
+      description: 'An infinite scroll plugin for Vue.js',
+    },
+    '/zh/': {
+      description: '一款用于 Vue.js 的无限滚动插件',
+    },
+  },
+  themeConfig: {
+    sidebar: 'auto',
+    repo: 'https://github.com/PeachScript/vue-infinite-loading',
+    locales: {
+      '/': {
+        lang: 'en-US',
+        selectText: 'Languages',
+        label: 'English',
+        nav: [],
+        footer: `
+<p>
+  Released under the
+  <a target="_blank" href="https://github.com/PeachScript/vue-infinite-loading/blob/master/LICENSE">MIT License</a>
+  |
+  Powered by
+  <a target="_blank" href="https://vuepress.vuejs.org">VuePress</a>
+</p>
+<p>
+  &copy;2016-present Made with ♥ by
+  <a target="_blank" href="https://www.peachis.me">PeachScript</a>
+</p>
+`,
+      },
+      '/zh/': {
+        lang: 'zh-CN',
+        selectText: '选择语言',
+        label: '简体中文',
+        nav: [],
+        footer: `
+<p>
+  遵循
+  <a target="_blank" href="https://github.com/PeachScript/vue-infinite-loading/blob/master/LICENSE">MIT 开源协议</a>
+  |
+  由
+  <a target="_blank" href="https://vuepress.vuejs.org">VuePress</a>
+  强力驱动
+</p>
+<p>
+  &copy;2016-present Made with ♥ by
+  <a target="_blank" href="https://www.peachis.me">PeachScript</a>
+</p>
+`,
+      },
+    },
+  },
   plugins: [require('@vuepress/theme-default/index')],
 };