Deprecate early legacy repository.

README.md
---------
  o Added a DEPRECATED message in the README file for visibility.

.gitreview
----------
  o Add a .gitreview file so a code review can be requested.

Change-Id: Ia6fc4e39015be4db7e496b299143ab3837fe52a2
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..437ccd6
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=gerrit.opencord.org
+port=29418
+project=voltha-api-server
+defaultremote=origin
\ No newline at end of file