docs: add logo

docs/.vuepress/config.js

@@ -1,7 +1,14 @@
 module.exports = {
     title: 'BitXHub文档',
     description: 'BitXHub部署文档、使用文档、设计文档站',
+    base: '/bitxhub/',
     themeConfig: {
+        logo: '/images/logo.png',
+        nav: [
+            {text: '官网', link: 'https://bitxhub.hyperchain.cn'},
+            {text: 'Github', link: 'https://github.com/meshplus/bitxhub'},
+        ],
+
         sidebar: [
             {
                 title: '快速开始',

docs/README.md

@@ -1,3 +1,6 @@
+
+<img :src="$withBase('/images/banner.png')" alt="BitXHub banner">
+
 # BitXHub 传递链间价值
 
 BitXHub采用中继机制提供安全高效的跨链服务，解决了跨链交易的捕获、传输以及验证等核心难题，专注于异构联盟链间的账本互操作，支持资产互换、数据互通及服务互补，为区块链互联网络的形成与价值孤岛的互通提供可靠的底层技术支撑。

package.json

@@ -0,0 +1,17 @@
+{
+  "name": "bitxhub",
+  "version": "1.2.0",
+  "description": "Interchain protocol ",
+  "main": "index.js",
+  "repository": "git@github.com:meshplus/bitxhub.git",
+  "author": "Aiden X <caichao.xu@gmail.com>",
+  "license": "Apache-2.0",
+  "scripts": {
+    "docs:dev": "vuepress dev docs",
+    "docs:build": "vuepress build docs",
+    "docs:deploy": "cd docs && bash deploy.sh"
+  },
+  "dependencies": {
+    "vuepress": "^1.5.4"
+  }
+}