Add simple key value service

Change-Id: Ic04ddbd26b3111ff95d78f3046ace7fc69916219
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5baa59d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+db
\ No newline at end of file