Add xeus-cpp-lite specific demo for deployment example

Author: mcbarton

.github/workflows/deploy-github-page.yml

@@ -77,7 +77,7 @@ jobs:
           micromamba create -n xeus-lite-host jupyterlite-core
           micromamba activate xeus-lite-host
           python -m pip install jupyterlite-xeus jupyter_server
-          jupyter lite build --XeusAddon.prefix=${{ env.PREFIX }} --contents notebooks --output-dir dist
+          jupyter lite build --XeusAddon.prefix=${{ env.PREFIX }} --contents notebooks/xeus-cpp-lite-demo.ipynb --output-dir dist
           cp $PREFIX/bin/xcpp.data dist/extensions/@jupyterlite/xeus/static
           cp $PREFIX/lib/libclangCppInterOp.so dist/extensions/@jupyterlite/xeus/static
 

notebooks/xeus-cpp-lite-demo.ipynb

@@ -0,0 +1,115 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "aa9d4f33-5bd8-42f2-918a-e654d4363577",
+   "metadata": {},
+   "source": [
+    "<center>\n",
+    "    <h1>C++ kernel based on xeus</h1>\n",
+    "</center>\n",
+    "\n",
+    "A Jupyter kernel for C++ based on the `CppInterOp`, a clang based C++ Interoperability Library and the `xeus` native implementation of the Jupyter protocol, xeus.\n",
+    "\n",
+    "- GitHub repository: https://github.com/compiler-research/xeus-cpp\n",
+    "- Documentation: https://xeus-cpp.readthedocs.io/en/latest/"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9af8aa44-7786-47b6-b94b-8579470acb3a",
+   "metadata": {},
+   "source": [
+    "## Usage\n",
+    "\n",
+    "<div style=\"background: #efffed;\n",
+    "            border: 1px solid grey;\n",
+    "            margin: 8px 0 8px 0;\n",
+    "            text-align: center;\n",
+    "            padding: 8px; \">\n",
+    "    <i class=\"fa-play fa\" \n",
+    "       style=\"font-size: 40px;\n",
+    "              line-height: 40px;\n",
+    "              margin: 8px;\n",
+    "              color: #444;\">\n",
+    "    </i>\n",
+    "    <div>\n",
+    "    To run the selected code cell, hit <pre style=\"background: #efffed\">Shift + Enter</pre>\n",
+    "    </div>\n",
+    "</div>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "be1c8c6c-3fbe-4f53-9deb-8496c43d26ad",
+   "metadata": {},
+   "source": [
+    "## Output and error streams\n",
+    "\n",
+    "`std::cout` and `std::cerr` are redirected to the notebook frontend."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "9bd7f767-6c22-4a1b-a1e2-cd4184fd0367",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "some output\n"
+     ]
+    }
+   ],
+   "source": [
+    "#include <iostream>\n",
+    "\n",
+    "std::cout << \"some output\" << std::endl;"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "9622f20f-5925-4544-a97b-aada3a14209a",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "some error\n"
+     ]
+    }
+   ],
+   "source": [
+    "std::cerr << \"some error\" << std::endl;"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "C++20",
+   "language": "cpp",
+   "name": "xcpp20"
+  },
+  "language_info": {
+   "codemirror_mode": "text/x-c++src",
+   "file_extension": ".cpp",
+   "mimetype": "text/x-c++src",
+   "name": "C++",
+   "version": "20"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}