Add jupyter lite contents flag instructions

README.md

@@ -99,10 +99,9 @@ emmake make install
 
 To build Jupyter Lite with this kernel without creating a website you can execute the following
 ```bash
-micromamba create -n xeus-lite-host jupyterlite-core
+micromamba create -n xeus-lite-host jupyterlite-xeus jupyterlite-core jupyterlab notebook
 micromamba activate xeus-lite-host
-python -m pip install jupyterlite-xeus
-jupyter lite build --XeusAddon.prefix=$PREFIX
+jupyter lite build --XeusAddon.prefix=$PREFIX --contents ../notebooks/xeus-cpp-lite-demo.ipynb
 ```
 
 We now need to shift necessary files like `xcpp.data` which contains the binary representation of the file(s)

docs/source/InstallationAndUsage.rst

@@ -85,8 +85,8 @@ 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
     micromamba activate xeus-lite-host
-    python -m pip install jupyterlite-xeus
-    jupyter lite build --XeusAddon.prefix=$PREFIX
+    python -m pip install jupyterlite-xeus jupyter_server
+    jupyter lite build --XeusAddon.prefix=$PREFIX --contents ../notebooks/xeus-cpp-lite-demo.ipynb
 
 We now need to shift necessary files like `xcpp.data` which contains the binary representation of the file(s)
 we want to include in our application. As of now this would contain all important files like Standard Headers,