👷 : add sonarcloud integration

.travis.yml

@@ -1,4 +1,15 @@
 language: java
 
 jdk:
-  - openjdk11
+- openjdk11
+
+addons:
+  sonarcloud:
+    organization: "codekaio"
+    token:
+      secure: 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
+
+script:
+  # the following command line builds the project, runs the tests with coverage and then execute the SonarCloud analysis
+  - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent install sonar:sonar
+