add reference to streamlit

Author: pvgenuchten

workshop/jupyter/content/notebooks/07-visualization.ipynb

@@ -22,13 +22,13 @@
     "Whenever you visit a website that has some kind of interactive map, it\n",
     "is quite probable that you are witnessing a map that has been made with\n",
     "a JavaScript library called [Leaflet](http://leafletjs.com). The\n",
-    "other popular library you might encounter is\n",
-    "[OpenLayers](https://openlayers.org).\n",
+    "other popular libraries you may encounter are\n",
+    "[OpenLayers](https://openlayers.org) or [maplibre](https://maplibre.org/).\n",
     "\n",
     "The Python module \n",
     "[Folium](https://github.com/python-visualization/folium) makes\n",
     "it possible to visualize data that has been manipulated in Python on an\n",
-    "interactive Leaflet map.\n",
+    "interactive Leaflet map in a jupyter notebook or website generated from python code.\n",
     "\n",
     "### Basics\n",
     "We will start with the most minimal map using the default OpenStreetMap base map.\n",
@@ -158,8 +158,17 @@
    "metadata": {},
    "source": [
     "And [open this map with overlay here](test/07-folium-2.html). \n",
-    "\n",
-    "Much more is possible with Folium, we just scratched the surface here!"
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Folium and Streamlit\n",
+    "Folium can also be [combined with Streamlit](https://folium.streamlit.app/). \n",
+    "[Streamlit](https://streamlit.io) is a platform to create interactive web apps for your python data scripts.",
+    "\n"
    ]
   },
   {