maps project docs page added

docs/projects/maps.md

@@ -0,0 +1,5 @@
+# Leaflet maps in React
+
+Amsterdam's preferred map library is <a href="https://leafletjs.com/" target="_blank">Leaflet</a> and frontend framework is <a href="https://reactjs.org/" target="_blank">React</a>. Combining Leaflet with the React component lifecycle can provide some challenges. Therefore, we have created a repository and Storybook application to browse common map components and feature examples.
+
+You can browse the project at [https://maps.developers.amsterdam.nl/](https://maps.developers.amsterdam.nl/).

sidebars.ts

@@ -38,6 +38,11 @@ const sidebars: SidebarsConfig = {
         'frontend/third-party-dependencies',
       ],
     },
+    {
+      type: 'category',
+      label: 'Projects',
+      items: ['projects/maps'],
+    },
   ],
   // By default, Docusaurus generates a sidebar from the docs folder structure
   // tutorialSidebar: [{type: 'autogenerated', dirName: '.'}],