add CI

.travis.yml

@@ -0,0 +1,11 @@
+language: java
+jdk:
+  - openjdk8
+
+before_install:
+  - cd ./tools
+  - mvn install:install-file -Dfile=core-0.1.4.jar -DgroupId=com.yahoo.ycsb -DartifactId=core -Dversion=0.1.4 -Dpackaging=jar -DgeneratePom=true -DcreateChecksum=true
+  - cd ../source
+
+script:
+  - mvn clean package

README.md

@@ -3,6 +3,8 @@
 
 
 [![License](https://img.shields.io/badge/license-Apache%202-4EB1BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.jd.blockchain/sdk-pack/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.jd.blockchain/sdk-pack/)
+[![Build Status](https://travis-ci.com/blockchain-jd-com/jdchain.svg?branch=master)](https://travis-ci.org/blockchain-jd-com/jdchain)
 
 
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