Add build status badge

Change-Id: I9a202b56eb0830b99740521c6bc2686e366cac4a
diff --git a/README.md b/README.md
index 9020066..71c5333 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@
 * Repository: https://gerrit.googlesource.com/plugins/kafka
 * CI/Release: https://gerrit-ci.gerritforge.com/search/?q=kafka
 
+[![Build Status](https://gerrit-ci.gerritforge.com/job/plugin-kafka-events-master/1/badge/icon)](https://gerrit-ci.gerritforge.com/job/plugin-kafka-events-master/1/)
+
 Synopsis
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