add jenkinsfile to build for arm arch

Jenkinsfile

@@ -0,0 +1,37 @@
+pipeline {
+    agent any
+    environment {
+        GITHUB_TOKEN = credentials('github')
+        IMAGE_NAME = 'ghcr.io/finkash-pty/frappe_docker'
+        RELEASE_VERSION = readFile('version').trim()
+        IMAGE_REPO = "${IMAGE_NAME}:${RELEASE_VERSION}"
+        PLATFORM = 'linux/amd64,linux/arm64'
+    }
+    stages {
+        stage('Login to image Repository') {
+            steps {
+                sh 'echo $GITHUB_TOKEN_PSW | docker login ghcr.io -u GITHUB_TOKEN_USR --password-stdin'
+            }
+        }
+        stage('Prepare Builder'){
+            steps{
+                script{
+                    sh 'export DOCKER_CLI_EXPERIMENTAL=enabled'
+                    sh 'docker buildx use multiplatformbuilder'
+                }
+            }
+        }
+        stage('Build Image') {
+            steps {
+                script {
+                    sh "docker buildx build --platform $PLATFORM --cache-from type=local,src=$IMAGE_REPO --cache-to type=local,dest=/tmp/.buildx-cache --push --tag $IMAGE_REPO ."
+                }
+            }
+        }
+    }
+    post {
+        always {
+            cleanWs()
+        }
+    }
+}