Update InstallationAndUsage.rst

Author: mcbarton

docs/source/InstallationAndUsage.rst

@@ -137,7 +137,7 @@ To build Jupyter Lite with this kernel without creating a website you can execut
 
 .. code-block:: bash
 
-    micromamba create -n xeus-lite-host jupyterlite-core -c conda-forge
+    micromamba create -n xeus-lite-host jupyterlite-core jupyter_server -c conda-forge
     micromamba activate xeus-lite-host
     python -m pip install jupyterlite-xeus
     jupyter lite build --XeusAddon.prefix=$PREFIX