update readme

Author: postables

README.md

@@ -1,5 +1,9 @@
 # go-ipfs-api
 
+This repository is a modified version of `go-ipfs-api` that may/may not contain code in upstream (`ipfs/go-ipfs-api` not `RTradeLtd/go-ipfs-api`).
+
+# readme from upstream
+
 [![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://ipn.io)
 [![](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](http://ipfs.io/)
 [![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)