Update README.md

Author: krassowski

README.md

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 # Language Server Protocol integration for Jupyter(Lab)
 
-[![Build Status](https://travis-ci.org/krassowski/jupyterlab-lsp.svg?branch=master)](https://travis-ci.org/krassowski/jupyterlab-lsp) [![Build Status](https://dev.azure.com/krassowskimichal/jupyterlab-lsp/_apis/build/status/jupyterlab-lsp?branchName=master)](https://dev.azure.com/krassowskimichal/jupyterlab-lsp/_build/latest?definitionId=1&branchName=master) [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/krassowski/jupyterlab-lsp/master?urlpath=lab%2Ftree%2Fexamples%2FPython.ipynb)
+[![Build Status](https://travis-ci.org/krassowski/jupyterlab-lsp.svg?branch=master)](https://travis-ci.org/krassowski/jupyterlab-lsp) [![Build Status](https://dev.azure.com/krassowskimichal/jupyterlab-lsp/_apis/build/status/jupyterlab-lsp?branchName=master)](https://dev.azure.com/krassowskimichal/jupyterlab-lsp/_build/latest?definitionId=1&branchName=master) [![Documentation Status](https://readthedocs.org/projects/jupyterlab-lsp/badge/?version=latest)](https://jupyterlab-lsp.readthedocs.io/en/latest/?badge=latest) [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/krassowski/jupyterlab-lsp/master?urlpath=lab%2Ftree%2Fexamples%2FPython.ipynb)
 
 > _This project is still maturing, but you are welcome to check it out, leave feedback and/or a PR_
 
 Quick Links: **[Installation](#installation) | [Configuring](./docs/Configuring.ipynb) | [Updating](#updating) | [Changelog](./CHANGELOG.md) | [Roadmap](./docs/Roadmap.ipynb) | [Contributing](./CONTRIBUTING.md) | [Extending](./docs/Extending.ipynb)**
 
 ## Features
 
-> Examples show Python code, but most features also work in R, bash, typescript, and [many other languages](./docs/Language%20Servers.ipynb).
+> Examples show Python code, but most features also work in R, bash, typescript, and [many other languages](https://jupyterlab-lsp.readthedocs.io/en/latest/Language%20Servers.html).
 
 ### Hover