update docs

.travis.yml

@@ -0,0 +1,24 @@
+# 持续集成 CI
+# @see https://docs.travis-ci.com/user/tutorial/
+
+language: node_js
+
+sudo: required
+
+node_js: stable
+
+branches:
+  only:
+    - master
+
+before_install:
+  - export TZ=Asia/Shanghai
+
+script: bash ./scripts/deploy.sh
+
+notifications:
+  email:
+    recipients:
+      - forbreak@163.com
+    on_success: change
+    on_failure: always

README.md

@@ -6,9 +6,11 @@
 
 <p align="center">
     <img src="https://badgen.net/github/license/dunwu/linux-tutorial" alt="license">
+    <img src="https://travis-ci.com/dunwu/linux-tutorial.svg?branch=master" alt="build">
 </p>
 
 <h1 align="center">linux-tutorial</h1>
+
 > 📚 **linux-tutorial** 是一个 Linux 教程。
 >
 > 🔁 项目同步维护在 [github](https://github.com/dunwu/linux-tutorial) | [gitee](https://gitee.com/turnon/linux-tutorial)