add nav header to demo app
+[About Noms](about-noms.md)&nbsp; | &nbsp;[How to Use Noms](how-to-use-noms.md)&nbsp; | &nbsp;[Demo App](demo-app.md)&nbsp; | &nbsp;[Vision](vision.md)&nbsp; | &nbsp;[What's Next](whats-next.md)
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+[![Build Status](http://jenkins3.noms.io/buildStatus/icon?job=NomsMasterBuilder)](http://jenkins3.noms.io/job/NomsMasterBuilder/)
+[![codecov](https://codecov.io/gh/attic-labs/noms/branch/master/graph/badge.svg)](https://codecov.io/gh/attic-labs/noms)
+[![GoDoc](https://godoc.org/github.com/attic-labs/noms?status.svg)](https://godoc.org/github.com/attic-labs/noms)
+[![Slack](http://slack.noms.io/badge.svg)](http://slack.noms.io)
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# Sample App: IPFS-based Decentralized Chat
Demo app code is in the [ipfs-chat](https://github.com/attic-labs/noms/tree/master/samples/go/ipfs-chat/) directory. To get it up and running take the following steps:
