update Jenkins

Jenkinsfile

@@ -5,11 +5,13 @@ pipeline {
         stage('Build') {
             steps {
                 echo 'Building..'
+				sh 'make'
             }
         }
         stage('Test') {
             steps {
                 echo 'Testing..'
+				sh 'make check || true'
             }
         }
         stage('Deploy') {

Makefile

@@ -0,0 +1,2 @@
+app.pdf: app.R
+	R CMD BATCH app.R