💚 sonar cloud configuration

fix #36

Author: SaifJerbi

.travis.yml

@@ -11,8 +11,7 @@ addons:
 install:
   - mvn test-compile -DskipTests=true -Dmaven.javadoc.skip=true -B -V
 script:
-  - mvn test
-  - mvn clean -DskipTests=true org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar -Dsonar.host.url=https://sonarcloud.io -Dsonar.organization=json-schema-java-ui -Dsonar.login=0eddfef99ac3f729e1119cc132ffb6fa15e789ea
+  - mvn org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar -Dsonar.host.url=https://sonarcloud.io -Dsonar.organization=json-schema-java-ui -Dsonar.login=${env.SONAR_TOKEN}
 cache:
   directories:
     - '$HOME/.m2/repository'