Add a simple Jenkinsfile for building these things in Jenkins

Jenkinsfile

@@ -0,0 +1,10 @@
+#!/usr/bin/env groovy
+
+
+node('docker') {
+    stage 'Build Containers'
+    sh './build-rubies.sh'
+
+    stage 'Publish Containers'
+    sh './push-rubies.sh'
+}