Added a Jenkinsfile to perform a health check

scripts/Jenkinsfile

@@ -0,0 +1,18 @@
+pipeline {		// requires Jenkins plugin 'PowerShell'
+    agent any		// job may run on any Jenkins node
+    stages {
+        stage ('Cleanup') {
+            steps {
+                echo "Pulled from ${env.GIT_URL}, branch ${env.GIT_BRANCH}, commit {$env.GIT_COMMIT} ..."
+                sh 'git clean -d --force'
+                sh 'git status'
+            }
+        }
+        stage ('Health Check') {
+            steps {
+		echo "Starting build #${env.BUILD_NUMBER} on ${env.NODE_NAME} node ..."
+		powershell './check-health.ps1'
+            }
+        }
+    }
+}