Add example data and tests

Change-Id: Ife7b03d33607ec6c27da39b783e66e28f6496bbc
diff --git a/.gitignore b/.gitignore
index 9ca8f68..160dc85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,5 @@
 package-lock.json
 _Inline
 !.gitlab-ci.yml
+!**/*.rocksdb/**/*.log
+