👷 Add .circleci/config.yml

Author: binarywang

.circleci/config.yml

@@ -0,0 +1,11 @@
+version: 2.1
+jobs:
+  build:
+    docker:
+      - image: cimg/openjdk:11.0
+    steps:
+      - checkout
+      - run:
+          name: Build
+          command: mvn -B -DskipTests clean package -Dcheckstyle.skip=true
+

README.md

@@ -4,7 +4,7 @@
 [![Github](https://img.shields.io/github/stars/Wechat-Group/WxJava?logo=github&style=flat)](https://github.com/Wechat-Group/WxJava)
 [![GitHub release](https://img.shields.io/github/release/Wechat-Group/WxJava.svg)](https://github.com/Wechat-Group/WxJava/releases)
 [![Maven Central](https://img.shields.io/maven-central/v/com.github.binarywang/wx-java.svg)](http://mvnrepository.com/artifact/com.github.binarywang/wx-java)
-[![Build Status](https://app.travis-ci.com/Wechat-Group/WxJava.svg?branch=develop)](https://app.travis-ci.com/github/Wechat-Group/WxJava)
+[![Build Status](https://img.shields.io/circleci/project/github/Wechat-Group/WxJava/develop.svg?sanitize=true)](https://circleci.com/gh/Wechat-Group/WxJava/tree/develop)
 [![使用IntelliJ IDEA开发维护](https://img.shields.io/badge/IntelliJ%20IDEA-支持-blue.svg)](https://www.jetbrains.com/?from=WxJava-weixin-java-tools)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)