Update README.md

hiranya911 · web-flow · commit 9390ee95b3a6 · 2017-05-04T12:13:29.000-07:00
diff --git a/README.md b/README.md
@@ -1,3 +1,7 @@
+This is an archive of the
+[firebase/firebase-admin-node](https://github.com/firebase/firebase-admin-node)
+repo as it existed before its history was nuked, and made open source.
+
 # Firebase Admin Node.js SDK
 
 
