Add SonarQube stage to Jenkins pipeline

Jenkinsfile

@@ -19,4 +19,9 @@ node {
   stage('Publish artifacts') {
     sh "./gradlew publish"
   }
+  stage('SonarQube') {
+    withCredentials([string(credentialsId: 'SONAR_TOKEN', variable: 'SONAR_TOKEN')]) {
+      sh "./gradlew sonarqube -Dsonar.login=$SONAR_TOKEN"
+    }
+  }
 }

build.gradle

@@ -9,6 +9,10 @@ buildscript {
     }
 }
 
+plugins {
+    id "org.sonarqube" version "3.0"
+}
+
 repositories {
     maven {
         url = "https://dvs1.progwml6.com/files/maven/"
@@ -18,6 +22,14 @@ repositories {
     }
 }
 
+sonarqube {
+    properties {
+        property "sonar.projectKey", "refinedmods_refinedstorage"
+        property "sonar.organization", "refinedmods"
+        property "sonar.host.url", "https://sonarcloud.io"
+    }
+}
+
 apply plugin: 'net.minecraftforge.gradle'
 apply plugin: 'eclipse'
 apply plugin: 'maven-publish'