Add doc on setting up a dev environment
# Contributing
We follow the [IPython Contributing Guide](https://github.com/ipython/ipython/blob/master/CONTRIBUTING.md).
+
+## To set up a development environment
+
+Fork the repository and clone the forked repository locally.
+
+Use Conda to install dependencies and activate the development environment.
+
+```
+ conda create -n qtdev python=3
+ conda activate qtdev
+ conda install pyqt
+```
+Setup **qtconsole** to run on the development environment:
+
+```
+ python setup.py develop
+```
+
+To run after the changes have been made to source:
+```
+ pip install -e .
+```
+
+Running the tests:
+
+```
+nosetests
+```
