Adding Welcome notebook, deleted default content, updated requirements

Author: bpatzak

content/Getting_started/demo01.ipynb

@@ -0,0 +1,55 @@
+{
+  "metadata": {
+    "kernelspec": {
+      "name": "",
+      "display_name": ""
+    },
+    "language_info": {
+      "name": ""
+    }
+  },
+  "nbformat_minor": 4,
+  "nbformat": 4,
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "source": "# Welcome to OOFEM python tutorial",
+      "metadata": {
+        "tags": [],
+        "editable": true,
+        "slideshow": {
+          "slide_type": ""
+        }
+      }
+    },
+    {
+      "cell_type": "markdown",
+      "source": "## About OOFEM\n* OOFEM.org is open-source, multi-physics finite element solver\n* Written in C++ with object-oriented architecture\n* Wisit www.oofem.org for documantation and tutorials\n",
+      "metadata": {}
+    },
+    {
+      "cell_type": "markdown",
+      "source": "## About this site\n* OOFEM comes with Python bindings, alloving to script OOFEM from Python\n* You can also develop custom elements, material models and solvers in Python\n* This site provides tutorials on using and extending OOFEM with Python",
+      "metadata": {}
+    },
+    {
+      "cell_type": "markdown",
+      "source": "## Tutorials\n",
+      "metadata": {}
+    },
+    {
+      "cell_type": "markdown",
+      "source": "This site is powered by [JupiterLite](https://jupyterlite.readthedocs.io/en/stable/), [Pyodide](https://pyodide.org/en/stable/), [Github Pages](https://pages.github.com/) and OOFEM wasm python module.\n\nCopyright (c) 2024 Borek Patzak",
+      "metadata": {}
+    },
+    {
+      "cell_type": "code",
+      "source": "",
+      "metadata": {
+        "trusted": true
+      },
+      "outputs": [],
+      "execution_count": null
+    }
+  ]
+}