Add build validation with Jenkinsfile

Change-Id: I9bdaf73aea45fef0d8c922ae69596fb693972344

Jenkinsfile

diff --git a/Jenkinsfile b/Jenkinsfile
new file mode 100644
index 0000000..15e283c
--- /dev/null
+++ b/Jenkinsfile
@@ -0,0 +1,2 @@
+pluginPipeline(formatCheckId: 'gerritforge:plugins-kafka-events-code-style',
+                buildCheckId: 'gerritforge:plugins-kafka-events-build-test')
\ No newline at end of file