adding jenkinsfile

Author: hrishike

jenkinsfile

@@ -0,0 +1,16 @@
+node {
+   def mvnHome
+   stage('Preparation') { // for display purposes
+      // Get some code from a GitHub repository
+      git 'https://github.com/prajnadnayak/java-maven-junit-helloworld.git'
+      // Get the Maven tool.
+      // ** NOTE: This 'M3' Maven tool must be configured
+      // **       in the global configuration.           
+      mvnHome = tool 'M3'
+   }
+   stage('Build') {
+      // Run the maven build
+      
+         sh "'${mvnHome}/bin/mvn' -Dmaven.test.failure.ignore clean package"
+   }
+   }