Add contributor docs on running sushy-tools locally

Change-Id: I8808adcf3a39f780efd8071ec88a63a61540dac4

doc/source/contributor/index.rst

@@ -4,3 +4,30 @@ Contributing
 ============
 
 .. include:: ../../../CONTRIBUTING.rst
+
+
+Cloning the sushy-tools repository
+++++++++++++++++++++++++++++++++++
+
+If you haven't already, sushy-tools source code should be pulled directly
+from git.
+
+.. code-block:: bash
+
+    # from the directory where you want the source code to reside
+    git clone https://opendev.org/openstack/sushy-tools
+
+
+Running the emulators locally
++++++++++++++++++++++++++++++
+
+Activate the virtual environment and run the emulator of your choice. For
+instance, to run the dynamic emulator:
+
+.. code-block:: bash
+
+    tox -e venv -- sushy-emulator
+
+For more information on running the emulators, refer to the user docs for the
+:doc:`dynamic-emulator <../user/dynamic-emulator>` and the :doc:`static-
+emulator <../user/static-emulator>`.