added jenkins to master

Jenkinsfile

@@ -0,0 +1,35 @@
+pipeline {
+    agent any
+
+    stages {
+        stage('Build') {
+            steps {
+                echo 'GIT CLONE'
+                checkout scm
+
+                echo 'SONARQUBE'
+                script {
+                    def workspace = pwd()
+                    def extraParameter = ""
+
+                    try {
+                        if (CHANGE_ID) {
+                            extraParameter = " -Dsonar.github.pullRequest=${CHANGE_ID} -Dsonar.analysis.mode=preview"
+                        } else {
+                            extraParameter = ""
+                        }
+                    } catch (exception) {
+                        echo 'Kein PR'
+                    }
+
+
+                    withSonarQubeEnv('Sonar') {
+                        withCredentials([string(credentialsId: 'LssmBotAuthKey', variable: 'TOKEN')]) {
+                                sh "/var/lib/jenkins/tools/hudson.plugins.sonar.SonarRunnerInstallation/SonarqubeScanner/bin/sonar-scanner -Dproject.settings=sonar.properties -Dsonar.branch=$BRANCH_NAME -Dsonar.projectBaseDir=$WORKSPACE -Dsonar.login=$SONAR_AUTH_TOKEN -Dsonar.github.oauth=$TOKEN $extraParameter"
+                        }
+                    }
+                }
+            }
+        }
+    }
+}