update readme

Author: jhgoebbert

README.md

@@ -1,2 +1,67 @@
 # jupyter-xprahtml5-server
-Run a Xpra Session on a JupyterHub 
+--------------------------
+Integrate Xpra in your Jupyter environment for an fast, feature-rich and easy to use remote desktop in the browser.
+
+## Requirements
+---------------
+
+- Python 3.6+
+- Jupyter Notebook 6.0+
+- JupyterLab 2.1+
+
+This package executes the `xpra` command. This command assumes the `xpra` command is available in the environment's PATH.
+
+
+### Xpra
+[Xpra](https://xpra.org/) is an open-source multi-platform persistent *remote display* solution for forwarding applications and desktop screens. It allows you to run X11 programs, usually on a remote host, and direct their display to your local machine.  
+Best of it. It is fast, fast, fast and comes with a build-in html5 client to allow remote.
+
+### Jupyter-Server-Proxy
+[Jupyter-Server-Proxy](https://jupyter-server-proxy.readthedocs.io) lets you run arbitrary external processes (such as Xpra-HTML5) alongside your notebook, and provide authenticated web access to them.
+
+## Install 
+----------
+
+#### Create and Activate Environment
+
+```
+virtualenv -p python3 venv
+source venv/bin/activate
+```
+
+#### Install jupyter-xprahtml5-proxy
+
+```
+pip install git+https://github.com/FZJ-JSC/jupyter-xprahtml5-server.git
+```
+
+#### Enable jupyter-xprahtml5-proxy Extensions
+
+For Jupyter Classic, activate the jupyter-server-proxy extension:
+```
+jupyter serverextension enable --sys-prefix jupyter_server_proxy
+```
+
+For Jupyter Lab, install the @jupyterlab/server-proxy extension:
+```
+jupyter labextension install @jupyterlab/server-proxy
+jupyter lab build
+```
+
+#### Start Jupyter Classic or Jupyter Lab
+
+Click on the Xpra icon from the Jupyter Lab Launcher or the Xpra item from the New dropdown in Jupyter Classic.  
+Connect to your database as instructed in the Quickstart section.
+
+## Configuration
+----------------
+
+This package calls `xpra` with a bunch of settings. Please read the [Xpra manual](https://xpra.org/manual.html) if you want to now the details.  
+You have to modify `setup_xprahtml5()` in `jupyter_xprahtml5/__init__.py` for change.
+
+## Credits
+- Xpra
+- jupyter-server-proxy
+
+## License
+BSD 3-Clause