Update Contribution Page for Jupyter Server

CONTRIBUTING.rst

@@ -93,7 +93,7 @@ Running Tests
 
 Install dependencies::
 
-    pip install -e .[test]
+    pip install -e ".[test]"
     pip install -e examples/simple  # to test the examples
 
 To run the Python tests, use::
@@ -119,15 +119,20 @@ Building the Docs
 
 Install the docs requirements using ``pip``::
 
-    pip install .[doc]
+    pip install ".[doc]"
 
 Once you have installed the required packages, you can build the docs with::
 
     cd docs
     make html
 
+The above may run into issues related to unavailability of sphinx and related dependencies. You can `install sphinx <https://www.sphinx-doc.org/en/master/usage/installation.html>`_ and the following dependencies.:: 
+
+    pip install myst_parser sphinxcontrib_github_alt sphinxcontrib.openapi \
+    sphinxemoji sphinx_autodoc_typehints pydata-sphinx-theme
+
 You can also run the tests using ``hatch`` without installing test dependencies
-in your local environment.
+in your local environment.::
 
     pip install hatch
     hatch run docs:build