chore: add deprecation notice to README

README.md

@@ -1,33 +1,3 @@
 interface-go-ipfs-core
 ==================
-
-[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://protocol.ai)
-[![](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](https://ipfs.io/)
-[![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](https://webchat.freenode.net/?channels=%23ipfs)
-[![Coverage Status](https://codecov.io/gh/ipfs/interface-go-ipfs-core/branch/master/graph/badge.svg)](https://codecov.io/gh/ipfs/interface-go-ipfs-core/branch/master)
-
-> The CoreAPI interfaces for go-ipfs.
-
-## Lead Maintainer
-
-[Steven Allen](https://github.com/Stebalien)
-
-## Table of Contents
-
-- [Background](#background)
-- [Contribute](#contribute)
-- [License](#license)
-
-## Documentation
-
-TODO
-
-## Contribute
-
-PRs are welcome!
-
-Small note: If editing the Readme, please conform to the [standard-readme](https://github.com/RichardLitt/standard-readme) specification.
-
-## License
-
-MIT © Protocol Labs
+Archived: this repository was moved to https://github.com/ipfs/boxo/coreiface