add API for searching relations based on person and contact data

Jenkinsfile

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+pipeline {
+    agent any
+
+    triggers {
+        pollSCM('H/1 * * * *')
+    }
+
+    stages {
+        stage('Checkout') {
+            steps {
+                checkout scm
+            }
+        }
+
+        stage ('Compile & Test') {
+            agent {
+                docker {
+                    image 'openjdk:21'
+                    args '-v "$PWD":/app'
+                    reuseNode true
+                }
+            }
+            steps {
+                sh './gradlew clean check -x pitest -x dependencyCheckAnalyze'
+            }
+        }
+
+        stage('Archive Test Results') {
+            steps {
+                // archive test results
+                junit 'build/test-results/test/*.xml'
+
+                // archive the JaCoCo coverage report in XML and HTML format
+                publishHTML(target: [
+                    reportDir: 'build/reports/jacoco/test/html',
+                    reportFiles: 'index.html',
+                    reportName: 'JaCoCo Code Coverage Report'
+                ])
+                jacoco(execPattern: '**/jacoco.exec',
+                       classPattern: 'build/classes/java/main',
+                       sourcePattern: 'src/main/java',
+                       exclusionPattern: '')
+            }
+        }
+    }
+
+    post {
+        always {
+            cleanWs()
+        }
+    }
+}