Add Jenkinsfile

.jenkins/Jenkinsfile

@@ -0,0 +1,49 @@
+pipeline {
+    agent any
+    tools {
+        jdk "jdk-17.0.1"
+    }
+
+    environment {
+      ORG_GRADLE_PROJECT_curseforge_apikey = credentials('jei-curseforge-key')
+      ORG_GRADLE_PROJECT_BUILD_NUMBER = "${env.BUILD_NUMBER}"
+    }
+    stages {
+        stage('Checkout') {
+            steps {
+                checkout scm
+                sh "rm -rf build/libs"
+            }
+        }
+
+        stage('Test') {
+            steps {
+                sh "./gradlew test --no-daemon"
+            }
+        }
+
+        stage('Build') {
+            steps {
+                sh "./gradlew build --no-daemon"
+            }
+        }
+
+        stage('Archive') {
+            steps {
+                junit allowEmptyResults: true, testResults: 'build/test-results/**/*.xml'
+            }
+        }
+
+        stage('Publish Maven') {
+            steps {
+                sh "./gradlew publish -PDEPLOY_DIR=${env.MAVEN_DEPLOY_DIR} --no-daemon"
+            }
+        }
+
+        stage('Publish CurseForge') {
+            steps {
+                sh "./gradlew curseforge --no-daemon"
+            }
+        }
+    }
+}